Definition of identities:
(n) :
The difference or character that marks off an individual or collective from the rest of the same kind; selfhood; the sense of who something or someone or oneself is, or the recurring characteristics that enable the recognition of such an individual or group by others or themselves.
(n) :
Sameness, identicalness; the quality or fact of (several specified things) being the same.
(n) :
A name or persona—a mask or appearance one presents to the world—by which one is known.
(n) :
(Australia, New Zealand) A well-known or famous person.
(n) :
(mathematics) An equation which always holds true regardless of the choice of input variables.
(n) :
(algebra, computing) Any function which maps all elements of its domain to themselves.