object
    room [44] 
    thing [141] 
        door  
        container [10] 
            vehicle  
            player's holdall  
            idol [4]  
            treasure chest [5]  
        supporter 
        backdrop  
        person [49]  
            man 
            woman 
            animal 
            monster [48]  
                wild boar [2]  
                young boar [2]  
                dog [3]  
                    doberman  
                    pit-bull [1]  
                    terrier  
                    bouvier  
                    German shepherd [1]  
                    Rhodesian Ridgeback [1]  
                snake [4]  
                mud crab [4]  
                bat [9]  
                scorpion [1]  
                water serpent [1]  
                giant mud crab [3]  
                vampire bat [3]  
                monstrous scorpion [1]  
                guarder  
                troll [2]  
                young troll [1]  
                straw being [7]  
                tarrasque [1]  
                imp [3]  
        device [3]  
        determinable [2]  
        detailer  
        stick of guarding [7]  
        healing herbs [13]  
        fire grenade [4]  
        stick of illumination [8]  
        diamond [7]  
        ruby [22]  
    direction [12] 
    region [3] 
        dungeon [2]  
value
    number 
    time  
    text 
    snippet 
    object 
    description 
    rule 
    rulebook 
    action-name 
    scene 
    table-name 
    figure-name 
    external-file 
    truth state 
    indexed text 
    stored action 
    list of 
    verbosity [E1] 
    conversation exiting [E2] 
    chat node [E2] 
    activatedness [E2] 
    printing style  
    room condition 
    excitement  
    attack type  
    speed  
    idol condition  
    skill  
    metal  
    person condition 
    monster condition  
action
    behaving randomly 
    acting fast 

What are kinds? ; Kinds of value 

room (plural rooms)
Represents geographical locations, both indoor and outdoor, which are not necessarily areas in a building. A player in one room is mostly unable to sense, or interact with, anything in a different room. Rooms are arranged in a map.
Usually lighted not dark, unvisited not visited.
Can have description (some text), printed name (some text), map region (the name of an object), location beat (a number), location beat strength (a number), Sublocations (the name of a table), room visibility (a number), room condition (room condition), Dungeon-kinship relates (the name of an object).
Antechamber , Lesson One - Introduction , Lesson Two - The Interface , Lesson Three - Attacking , Lesson Four - Concentrating , Lesson Five - Defending , Lesson Six - Retreating , Lesson Seven - Deadly Combat , Lesson Eight - Excitement , Lesson Nine - Skills , Lesson Ten - More Skills , Lesson Eleven - Saving , Lesson Twelve - First Fight , Lesson Thirteen - Second Fight , Lesson Fourteen - Last Fight , Central Hall , Hall of Challenges , Hall of Dungeons , Hall of Scenarios , Hall of Adventures , Shrine of Groth , Shrine of Elda , Shrine of Duncan , Shrine of Shliss , Entrance to the Bat Cave , Forking Passage , Hall of Guano , Dark Junction , Darkest Cave , Low Passage , Leaking Tunnel , The Troll Cellar , Muddy Tunnel , Northern Cave Entrance , Southern Forest Path , Central Clearing , Northern Forest Path , Western Forest Path , Eastern Forest Path , Snake Pit , Pool , Lair of the Troll , Second Lair , Professor's Laboratory 

thing (plural things)
Represents anything interactive in the model world that is not a room. People, pieces of scenery, furniture, doors and mislaid umbrellas might all be examples, and so might more surprising things like the sound of birdsong or a shaft of sunlight.
Usually unlit not lit, inedible not edible, portable not fixed in place, singular-named not plural-named, improper-named not proper-named, described not undescribed, unmarked for listing not marked for listing, mentioned not unmentioned, neuter, ordinarily enumerated not ambiguously plural.
Usually not scenery, wearable, pushable between rooms, handled, initially carried.
Can have description (some text), printed name (some text), indefinite article (some text), initial appearance (some text), printed plural name (some text), matching key (the name of an object), illumination (a number).
bomb , Golden hair , instruction leaflet , instruction poster , Blood Poster , Deadly Combat Poster , Excitement Poster , excitement button , Zeal Poster , Smash Poster , Bronze Poster , Burning Poster , Waiting Poster , lever , buttons , yellow button 

door, a kind of thing (plural doors) 
Represents a conduit joining two rooms, most often a door or gate but sometimes a plank bridge, a slide or a hatchway. Usually visible and operable from both sides (for instance if you write 'The blue door is east of the Ballroom and west of the Garden.'), but sometimes only one-way (for instance if you write 'East of the Ballroom is the long slide. Through the long slide is the cellar.').
Always fixed in place not portable.
Usually closed not open, openable not unopenable, unlocked not locked.
Usually not lockable.
Never pushable between rooms.
Can have other side (the name of an object).

container, a kind of thing (plural containers)
Represents something into which portable things can be put, such as a teachest or a handbag. Something with a really large immobile interior, such as the Albert Hall, had better be a room instead.
Usually opaque not transparent, open not closed, unopenable not openable, unlocked not locked.
Usually not enterable, lockable.
Can have carrying capacity (a number).
crude closet 

vehicle, a kind of container (plural vehicles) 
Represents a container large enough for a person to enter, and which can then move between rooms at the driver's instruction. (If a supporter is needed instead, try the extension Rideable Vehicles by Graham Nelson.)
Always enterable.
Usually fixed in place not portable.

player's holdall, a kind of container (plural player's holdalls) 
Represents a container which the player can carry around as a sort of rucksack, into which spare items are automatically stowed away.
Always portable not fixed in place.
Usually openable not unopenable.

idol, a kind of container (plural idols) 
Usually fixed in place not portable.
Can have first level skills number (a number), ruby number (a number), idol condition (idol condition).
Groth Idol , Elda Idol , Duncan Idol , Shliss Idol 

treasure chest, a kind of container (plural treasure chests) 
Usually scenery, closed not open, openable not unopenable.
bat cave cache , (nameless) , (nameless) , forest cache , (nameless) 

supporter, a kind of thing (plural supporters)
Represents a surface on which things can be placed, such as a table.
Usually fixed in place not portable.
Usually not enterable.
Can have carrying capacity (a number).

backdrop, a kind of thing (plural backdrops) 
Represents an aspect of the landscape or architecture which extends across more than one room: for instance, a stream, the sky or a long carpet.
Always fixed in place not portable.
Usually scenery.

person, a kind of thing (plural people) 
Despite the name, not necessarily a human being, but anything animate enough to envisage having a conversation with, or bartering with.
Usually male not female, not separated not separated, not separation-privileged not separation-privileged, not-ranged not ranged, not at parry not at parry, not at dodge not at dodge, not smashing not smashing, not angry not angry, not cursed not cursed, not shielded not shielded, not gaseous not gaseous, not on fire not on fire, not determined not determined, not darkvisioned not darkvisioned, not lowlightvisioned not lowlightvisioned, not poisonous not poisonous, not an onholder not onholder, not a legholder not legholder, not an erratic attacker not erratic attacker, not fireproof not fireproof.
Usually not neuter.
Can have carrying capacity (a number), blood (a number), permanent blood (a number), gained blood (a number), zeal (a number), permanent zeal (a number), concentration (a number), melee (a number), mind (a number), defence (a number), base excitement state (Excitement), sublocation (a number), elda armour status (a number), elda armour chance (a number), elda armour amount (a number), burn time (a number), minimum burn damage (a number), maximum burn damage (a number), sacrificial number (a number), responses (the name of a table), standard topic (some text), level (a number), player flavour texts (the name of a table), monster flavour texts (the name of a table), poison chance (a number), minimum poison damage (a number), maximum poison damage (a number), poison time (a number), damage die (a number), damage bonus (a number), hold chance (a number), hold damage (a number), hold leg melee penalty (a number), hold leg defence penalty (a number), hold arm melee penalty (a number), hold arm defence penalty (a number), hold release (a number), hold self defence penalty (a number), hold location (a number), damage reduction (a number), erratic attack odds (a number), erratic attack failure text (some text), excitement (Excitement), speed (Speed), person condition (person condition).
yourself

man, a kind of person (plural men)
Represents a man or boy.
Always male not female.
Never neuter.

woman, a kind of person (plural women)
Represents a woman or girl.
Always female not male.
Never neuter.

animal, a kind of person (plural animals)
Represents an animal, or at any rate a non-human living creature reasonably large and possible to interact with: a giant Venus fly-trap might qualify, but not a patch of lichen.

monster, a kind of person (plural monsters) 
Usually not regenerating not regenerating, not summoned not summoned, not vampiric not vampiric, not boss not boss.
Usually not non-exciting.
Can have regeneration rate (a number), vampire ratio (a number), monster condition (monster condition).
Professor Richardson 

wild boar, a kind of monster (plural wild boars) 
Can have level (a number).
(nameless) , (nameless) 

young boar, a kind of monster (plural young boars) 
Can have level (a number).
(nameless) , (nameless) 

dog, a kind of monster (plural dogs) 
Usually onholder not not an onholder.
Can have level (a number).

doberman, a kind of dog (plural dobermans) 

pit-bull, a kind of dog (plural pit-bulls) 
(nameless) 

terrier, a kind of dog (plural terriers) 
Usually legholder not not a legholder.

bouvier, a kind of dog (plural bouviers) 

German shepherd, a kind of dog (plural German shepherds) 
(nameless) 

Rhodesian Ridgeback, a kind of dog (plural Rhodesian ridgebacks) 
(nameless) 

snake, a kind of monster (plural snakes) 
Usually poisonous not not poisonous.
Can have level (a number).
(nameless) , (nameless) , (nameless) , (nameless) 

mud crab, a kind of monster (plural mud crabs) 
Usually lowlightvisioned not not lowlightvisioned, fireproof not not fireproof.
Can have level (a number).
(nameless) , (nameless) , (nameless) , (nameless) 

bat, a kind of monster (plural bats) 
Usually darkvisioned not not darkvisioned.
Can have level (a number).
(nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) 

scorpion, a kind of monster (plural scorpions) 
Usually darkvisioned not not darkvisioned, poisonous not not poisonous, fireproof not not fireproof.
Can have level (a number).
(nameless) 

water serpent, a kind of monster (plural water serpents) 
Usually poisonous not not poisonous.
Can have level (a number).
(nameless) 

giant mud crab, a kind of monster (plural giant mud crabs) 
Usually lowlightvisioned not not lowlightvisioned, erratic attacker not not an erratic attacker, fireproof not not fireproof.
Can have level (a number).
(nameless) , (nameless) , (nameless) 

vampire bat, a kind of monster (plural vampire bats) 
Usually darkvisioned not not darkvisioned, vampiric not not vampiric.
Can have level (a number).
(nameless) , (nameless) , (nameless) 

monstrous scorpion, a kind of monster (plural monstrous scorpions) 
Usually darkvisioned not not darkvisioned, poisonous not not poisonous, fireproof not not fireproof.
Can have level (a number).
(nameless) 

guarder, a kind of monster (plural guarders) 
Can have level (a number).

troll, a kind of monster (plural trolls) 
Usually regenerating not not regenerating.
Can have level (a number).
(nameless) , ugly troll 

young troll, a kind of monster (plural young trolls) 
Usually regenerating not not regenerating.
Can have level (a number).
(nameless) 

straw being, a kind of monster (plural straw beings) 
Usually erratic attacker not not an erratic attacker, non-exciting.
Can have level (a number).
straw man , straw woman , straw golem , straw dragon , straw chicken , straw frog , straw tomato 

tarrasque, a kind of monster (plural tarrasques) 
Can have level (a number).
xyzzied tarrasque 

imp, a kind of monster (plural imps) 
Usually lowlightvisioned not not lowlightvisioned, fireproof not not fireproof, summoned not not summoned.
Can have level (a number).
green imp , red imp , blue imp 

device, a kind of thing (plural devices) 
Represents a machine or contrivance of some kind which can be switched on or off.
Usually switched off not switched on.
grating , green button , red button 

determinable, a kind of thing (plural determinables) 
Usually scenery.
Can have description (some text), determinate number (a number), options number (a number), current room description text (some text), first option text (some text), first room description text (some text), first description text (some text), first printed text (some text), first spirit (a number), second option text (some text), second room description text (some text), second description text (some text), second printed text (some text), second spirit (a number), third option text (some text), third room description text (some text), third description text (some text), third printed text (some text), third spirit (a number).
undetermined thing , sword 

detailer, a kind of thing (plural detailers) 
Always scenery.
Can have current room description text (some text), detailed room description text (some text).

stick of guarding, a kind of thing (plural sticks of guarding) 
Can have printed plural name (some text).
(nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) 

healing herbs, a kind of thing (plural packets of healing herbs) 
Can have indefinite article (some text), printed plural name (some text).
(nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) 

fire grenade, a kind of thing (plural fire grenades) 
(nameless) , (nameless) , (nameless) , (nameless) 

stick of illumination, a kind of thing (plural sticks of illumination) 
Usually unbroken not broken, fierce not mild, mild not fierce.
Can have printed plural name (some text), illumination time (a number).
(nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) 

diamond, a kind of thing (plural diamonds) 
(nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) 

ruby, a kind of thing (plural rubies) 
(nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) , (nameless) 

direction (plural directions)
Represents a direction of movement, such as northeast or down.
Usually unmarked for listing not marked for listing.
Can have opposite (direction).
north, northeast, northwest, south, southeast, southwest, east, west, up, down, inside, outside

region (plural regions)
Tutorial 

dungeon, a kind of region (plural dungeons) 
Can have cache (treasure chest).
Bat Cave , forest 

time (plural times) 
A time of day, written in the form '2:34 AM' or '12:51 PM', or a length of time such as '10 minutes' or '3 hours 31 minutes', which must be between 0 minutes and 23 hours 59 minutes inclusive.

text (plural texts)
Some text in double quotation marks, perhaps with substitutions written in square brackets.

snippet (plural snippets)

object (plural objects)

description (plural descriptions)

rule (plural rules)

rulebook (plural rulebooks)

action-name (plural action-names)

scene (plural scenes)

table-name (plural table-names)

figure-name (plural figure-names)

external-file (plural external-files)

truth state (plural truth states)
The state of whether something is 'true' or 'false'.

indexed text (plural indexed texts)
A flexible-length form of text which can be internally altered and searched. Inform automatically changes text to this format when necessary.

stored action (plural stored actions)
A stored action, which can later be tried.

list of (plural lists of)
A flexible-length list of values.

verbosity [E1] (plural verbosities)
One of the following: brief, verbose, superbrief

conversation exiting [E2] (plural conversation exitings [E2])
One of the following: player may exit upon zero, player may not exit

chat node [E2] (plural chat nodes [E2])
One of the following: no quip chosen, c_silence, c_determinable_1, c_determinable_2, c_determinable_3, c_determinable_4, c_GrothSkills_1, c_GrothSkills_2, c_GrothSkills_3, c_GrothSkills_4, c_GrothSkills_5, c_EldaSkills_1, c_EldaSkills_2, c_EldaSkills_3, c_EldaSkills_4, c_EldaSkills_5, c_DuncanSkills_1, c_DuncanSkills_2, c_DuncanSkills_3, c_DuncanSkills_4, c_DuncanSkills_5, c_ShlissSkills_1, c_ShlissSkills_2, c_ShlissSkills_3, c_ShlissSkills_4, c_ShlissSkills_5

activatedness [E2] (plural activatednesses)
One of the following: quip on

printing style  (plural printing styles )
One of the following: printing-normal, printing-fiery

room condition (plural room conditions)
One of the following: rb, hrb, nrb

excitement  (plural excitements)
One of the following: Serene, Calm, Animated, Excited, Agitated, Frantic, Frenzied, Lost

attack type  (plural attack types )
One of the following: normal, silent, free, fiery

speed  (plural speeds)
One of the following: medium speed, fast, slow

idol condition  (plural idol conditions )
One of the following: favoured, unfavoured, disfavoured

skill  (plural skills)
One of the following: Smashing Blow, Greater Cleave, Anger, Deadlier Combat, Groth 5, Gorth 6, Fury, Groth 8, Armour of Blood, Crushing Blow, Groth 11, Rage, Duel, Bronze Armour, Curse, Shield, Gaseous Form, Elda 5, Iron Armour, Improved Curse, Mirror Image, Steel Armour, Elda 10, Mass Curse, Ethereal, Doppelganger, Burning Hands, Summon Imps, Scout, Fire Bomb, Duncan 5, Chaos, Skirmish, Summon Demons, Fireball, Utter Chaos, Duncan 11, Summon Horde, Duncan 13, Needle, Determination, Sacrifice, Await, Dominate, Bleed, Doom, Combat Superiority, Improved Determination, Shliss 10, Mass Dominate, Shliss 12, Knell

metal  (plural metals)
One of the following: bronze, iron, steel

person condition (plural person conditions)
One of the following: talkative, limited-talkative, dumb

monster condition  (plural monster conditions )
One of the following: hostile, indifferent, friendly

If we create a variable, by writing, for instance, 'Zero hour is a time that varies', and do not tell Inform what value it starts out with (say, adding 'Zero hour is 11:21 PM.') then Inform uses the following table to decide the initial value. The same applies if we create a property (for instance, 'A person has a number called lucky number.'). Kinds of value not included in the table cannot be used in variables and properties.

kind of value	default value
number	0
time	9:00 AM
text	""
snippet	word 1 of command
object	nothing
description	matching nothing
rule	the little-used do nothing rule
rulebook	the action-processing rules
action-name	waiting action
scene	the Entire Game
table-name	a table with no rows or columns
figure-name	figure of cover
external-file	value representing a non-file
truth state	false
indexed text	""
stored action	waiting
list of	{}
verbosity [E1]	brief
conversation exiting [E2]	player may exit upon zero
chat node [E2]	no quip chosen
activatedness [E2]	quip on
printing style	printing-normal
room condition	rb
excitement	Serene
attack type	normal
speed	medium speed
idol condition	favoured
skill	Smashing Blow
metal	bronze
person condition	talkative
monster condition	hostile
thing	the player
direction	north
other kinds of object	the first example created

behaving randomly [E3]
Defined as any of the following behaviour:
    Verifying the story file [E3]

acting fast 
Defined as any of the following behaviour:
    Examining something 
    Taking inventory 
    Smelling 
    Smelling something 
    Looking 
    Looking under something 
    Listening 
    Listening to something 
    Thinking 
    Determining 
    Sacrificing