UML for Mere Mortals®

Appendix A. Glossary

This glossary presents terms in “Mere Mortals” fashion. More formal definitions can be found in the various references cited in this book. Terms in bold, used in a definition, are defined elsewhere in the glossary.

abstraction—

A representation that focuses on certain aspects of a thing and that might eliminate other aspects.

action—

A processing step (an atomic behavior) taken as part an activity.

activity—

A series of actions executed to provide a certain behavior.

activity diagram—

A diagram that shows the flow of activities related to various actors.

actor—

A role that a person, system, or other entity plays when interacting with the system being developed. Actors are external to the system.

aggregate—

The class in an aggregation ...