Instance and Entity

instance

An occurrence of something.
- usage: "it was a case of bad judgment"; "another instance occurred yesterday"; "but there is always the famous example of the Smiths"
- synonyms: case, example
An item of information that is typical of a class or group.
- usage: "this patient provides a typical example of the syndrome"; "there is an example on page 10"
- synonyms: example, illustration, representative

(n.) That which is instant or urgent; motive.
(n.) That which offers itself or is offered as an illustrative case; something cited in proof or exemplification; a case occurring; an example.
(n.) Occasion; order of occurrence.
(n.) The act or quality of being instant or pressing; urgency; solicitation; application; suggestion; motion.
(v.t.) To mention as a case or example; to refer to; to cite; as, to instance a fact.
(n.) A token; a sign; a symptom or indication.
(v.i.) To give an example.

Webster's Revised Unabridged Dictionary

entity

That which is perceived or known or inferred to have its own distinct existence (living or nonliving. ).

(n.) A real being, whether in thought (as an ideal conception) or in fact; being; essence; existence.

Webster's Revised Unabridged Dictionary

In business, is a separate or self-contained existence that provides goods or services.