Concrete Object

Concrete Object is a class in the Top level CB-NL. A Concrete Object is a thing that exists in space and time.

Unsorted Concrete Object is a placeholder for unsorted (i.e. not yet classified) concrete objects.

Artefact

An Artefact is a solid item that is made or given shape by man.

• Built Object: An artefact (production result) intended to use as - or in a construction.
  • Built Structure: A result of a construction process. A construction is preferably subtyped based on function.
  • Construction Product: A non-functional discription of a produced product. For instance: a beam. You cannot place a beam in a functionally oriented subtyping relation like construction, because it doesn't have a functional meaning yet. 
• Installation Product: An artefact (production result) intended to use as - or in an installation.
  • Installation Element: A grouping of components into a functional installation.
  • Installation Component: Components are intended to be used to compose installation elements.
• Construction Aid: A tool to perform a task.
• Software: Any set of machine-readable instructions that directs a computer's processor to perform specific operations.
• Generic Product: [no definition yet]

Natural Object

A Natural Object is an object occurring naturally; not made by man.

• Natural Physical Object: A tangible and visible entity occurring naturally; not made by man.
• Mineral: A naturally occurring substance that is solid and inorganic representable by a chemical formula.
• Matter: A general term for the substance that makes up all observable physical objects,  anything that has mass and volume (occupies space).
• Organism: Any contiguous living system, such as a vertebrate, insect, plant or bacterium.
  • Fauna: All of the animal life of any particular region or time.
  • Flora: The plant life occurring in a particular region or time, generally the naturally occurring or indigenous—native plant life.