ISO 22745-2:2010(E)

2 Terms relating to objects, classes, and properties

2.1
class

group of objects with common properties

EXAMPLE   "telephone", "desk", "chair", "ball bearing", and "tennis ball" are classes.

2.2
property

quality or feature of an object

2.3
object

anything perceivable or conceivable

NOTE 1  Objects may be material (e.g. an engine, a sheet of paper, a diamond), immaterial (e.g. conversion ratio, a project plan) or imagined (e.g. a unicorn).

[ISO 1087-1:2000, definition 3.1.1]

NOTE 2  The radial flow centrifugal pump with serial number AX52386 is an object. Its general structure is defined by the radial flow centrifugal pump class.


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