spiff-arena/docs/appendices/glossary.md

Glossary

Activity

Refers to the work carried out by an individual or an organization within a process. Activities can be classified into three categories: Task, Subprocess, and Call Activity. These activities can be either atomic or non-atomic. Atomic activities are indivisible and represent single tasks, while non-atomic activities involve multiple steps or subprocesses that work together to achieve a larger objective.

Process Instance

A Process Instance is a specific occurrence of a Process Model that is executed within a workflow engine.

Process Model

A Process Model is a visual representation of a process that defines the sequence of activities, decisions, and interactions required to achieve a particular goal.