| direct-children | documentation | graph |
| Object | 6300 | Corresponds roughly to the class of ordinary objects. Examples include normal physical objects, geo... | ^ |
| Artifact | 1601 | An Object that is the product of a Making. | ^ |
| ShipsHull | . | The exterior portion of a WaterVehicle that is water tight and designed to be in contact with the... | ^ |
| ShipDeck | . | The top of a WaterVehicle that is exposed to the air and designed to be the place where people ... | ^ |
| ShipCompartment | 1 | A ShipCompartment is any fully or partly bounded section of a Ship. | ^ |
| TobaccoProduct | . | A product that contains tobacco leaves and has the delivery of the biologically active ingredients ... | ^ |
| Armor | . | Armor is protective clothing intended to defend its wearer from intentional harm in combat and mili... | ^ |
| GunChamber | . | A GunChamber is the cavity at the back end of a breech-loading gun's barrel where the cartridge i... | ^ |
| GunMuzzle | . | A GunMuzzle is the front end of a GunBarrel from which the projectile will exit.[Wikipedia] | ^ |
| Buttstock | . | A Buttstock is the rear portion of the Gunstock. It is braced against the shooter's shoulder fo... | ^ |
| Forestock | . | A Forestock is the fore-end of the Gunstock. It affixes and supports the receiver, and relays t... | ^ |
| Shield | . | An Artifact that is held by the hand or whole arm and is used to prevent injuries from Weapons.... | ^ |
| Mast | . | A large pole in the center of a WaterVehicle which is used to support a sail. | ^ |
| Tube | 11 | A long, narrow, and hollow Artifact that is designed for moving Fluids from place to another. | ^ |
| PhotographicFilm | . | Celluloid covered with an emulsion which can be converted into photographic negatives by a Camera... | ^ |
| PictureFrame | . | A frame which surrounds a PaintedPicture or Photograph and has the function of protecting and a... | ^ |
| Shelf | . | An piece of Furniture or part of a piece of Furniture that is used for keeping or displaying th... | ^ |
| GunCylinder | . | A GunCylinder is the cylindrical, rotating part of a RevolverGun containing multiple chambers, ... | ^ |
| DisplayArtifact | 4 | Something for posting content so that it can be disseminated to the public. | ^ |
| Wheel | 3 | A circular Artifact which is a component of LandVehicles and of some Devices. | ^ |
| VehicleTire | . | A covering, usually made of rubber, for a Wheel. | ^ |
| Paper | . | Paper is a flat sheet of fibers, usually produced by spreading a wet solution of wood particles on ... | ^ |
| Wire | 4 | A long, thin strand of Metal that is used in a wide range of applications, including the wiring o... | ^ |
| String | 2 | A long, thin strand of Fabric that is used for Tying things together, etc. Note that this class c... | ^ |
| Plug | 1 | An Artifact which is designed to fit snugly within a HoleRegion. | ^ |
| Pottery | . | Household Artifacts that are made out of baked Clay. | ^ |
| Pillow | . | A soft, stuffed Artifact to support the Head or the body as a whole while one is sleeping or re... | ^ |
| Mirror | . | An Artifact with a surface that is capable of displaying an image by reflecting light. | ^ |
| Furniture | 21 | Any free-standing and movable Artifacts which which are used in day-to-day living and designed to... | ^ |
| Mattress | . | A Mattress is a component of a Bed that is a cushion to make it more comfortable | ^ |
| BedFrame | 1 | A BedFrame is a %&component of a Bed that supports the mattress | ^ |
| BedLinen | . | BedLinen is an Artifact made of Fabric that is used to Covering a Bed | ^ |
| BoatDeck | . | One of the levels of a WaterVehicle, e.g. the upper deck and lower deck of small boats with a cab... | ^ |
| BoardOrBlock | 4 | A piece of material with flat, rectangular sides. Note that boards and blocks are lumped into a sin... | ^ |
| Veneer | . | A thin layer covering an Object (like Furniture) or a Wall for decorative or productive purpo... | ^ |
| ShoeSole | . | The bottom part of a Shoe that is intended to be the point of contact with the ground while the s... | ^ |
| Bandage | 2 | An Artifact that is used in Covering an open wound. | ^ |
| MobileStructure | 5 | A MoibleStruture is an Artifact that can contain Human and is intended to be moved. Examples ... | ^ |
| AnimalResidence | . | An Artifact which is intended to house Animals and not Humans. Note that an AnimalResidence... | ^ |
| Ladder | . | An Artifact which consists of two parallel supports connected by a series of rungs which can be u... | ^ |
| Window | 5 | An Artifact composed of transparent material that admits light (and possibly air) into a Room, ... | ^ |
| WindowCovering | 1 | An Artifact that is used to cover Windows. Note that this class includes blinds, drapes, shutters... | ^ |
| GameArtifact | 19 | An Artifact that is designed to be used as an instrument in a Game. | ^ |
| MilitaryArtifact | 5 | Any Artifact which is made for a MilitaryOrganization. | ^ |
| Sail | . | Sail refers to an Artifact made of some type of Fabric which by means of which wind is used t... | ^ |
| Document | 20 | Instances of Document are ContentBearingObjects that are intended to convey propositional conte... | ^ |
| GrabBar | . | GrabBar is a bar attached to a Wall to provide a handgrip for steadying yourself | ^ |
| Text | 148 | A LinguisticExpression or set of LinguisticExpressions that perform a specific function related... | ^ |
| Product | 146 | An Artifact that is produced by Manufacture. | ^ |
| StationaryArtifact | 172 | A StationaryArtifact is an Artifact that has a fixed spatial location. Most instances of this &... | ^ |
| ArtWork | 9 | Artifacts that are created primarily for aesthetic appreciation. Note that this Class does not ... | ^ |
| Fabric | 10 | Artifacts that are created by weaving together natural or synthetic fibers or by treating the ski... | ^ |
| WearableItem | 47 | WearableItem is the subclass of Artifacts that are made to be worn on the body. | ^ |
| Device | 1041 | A Device is an Artifact whose purpose is to serve as an instrument in a specific subclass of ... | ^ |
| WaterCatchment | . | WaterCatchment is the subclass of Artifacts used to capture rainwater or runoff as a source of ... | ^ |
| Reservoir | . | A Reservoir is an artifically made (or artifically enlarged) holding area where water is collecte... | ^ |
| IrrigationChannel | . | IrrigationChannel is the class of artificially created channels used for transporting water to ag... | ^ |
| WetBar | . | WetBar is a place for preparing food and beverage that has a sink with running water | ^ |
| CantileverObject | 1 | A CantileverObject is an Artifact that also has the Attribute of being a Cantilever. | ^ |
| Piston | . | A piston is a component of reciprocating engines, reciprocating pumps, gas compressors and pneumati... | ^ |
| EngineCylinder | . | A single cylinder of an Engine block and its associated components. | ^ |
| Chain | . | A number of interconnected loops of metal that has strength in tension and is used like rope, altho... | ^ |
| ChainLink | . | Any closed form of metal rod or wire intended for use as part of a chain. | ^ |
| InteriorVehicleEquipment | . | The objects Inside the passenger compartment of a RoadVehicle, such as the seats, dashboard and... | ^ |
| VehicleSeat | 2 | | ^ |
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