noun
- That which is perceived or known or inferred to have its own distinct existence (living or nonliving. ).
Subassemblies and Entity
WordNet 3.0 © 2006 by Princeton University
(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.