Table 1:

Definitions

Term	Description
Action	A computational unit of work, e.g., processing a file or inserting data into a database. This is sometimes referred to as a task.
Process	A set of steps that have to be finished to achieve a particular goal, e.g., delivering data to a user. A process can include automated and manual steps.
Workflow	A workflow models a process, as a number of "actions" following each other. This can be described by a directed acyclic graph.