1. A Computation is a specification for transformation of
one instance set of data structures or objects to
some other instance set of data structures or objects.
2. A computation is a process which leads to the
satisfaction of a set of constraint specifications.
3. A computation is an ordered sequence of execution
of a (possibly dynamic) set of primitive units of
4. Computation is a recursive and hierarchical
concept. A computation may be primitive
in one view and composed in another view.