entity
continuant
generically dependent continuant
data item
information content entity
data about an ontology part
denotator type
defined class
"definitions", in some readings, always are given by necessary and sufficient conditions. So one must be careful (and this is difficult sometimes) to distinguish between defined classes and universal.
A defined class is a class that is defined by a set of logically necessary and sufficient conditions but is not a universal
Alan Ruttenberg