A characteristic of the meaning of a 
or the nature of a refinement.
Notes
- An attribute is assigned a value (
) when used in the definition of a or in a 
. - The attributes that can be used in definitions or refinements are represented by a
that are 
of the concept 
. - The
specifies:- The
which each specific attribute can be applied; and - The
of values that can be applied to each specific attribute.
Example
The attribute 
Alternatives
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