We use cookies to understand how this site is used and to improve the site to make use easier. We also share details with Google for analytic purposes. For more information, and to understand the limited use we have for your data, see our privacy page.

If you do not want us to handle your data in this way you can eitherstop using this site or set your browser to request that we do not track you. Continued use of this site without setting do not track explicitly provides your authority to make limited use your data.


series of all phases in the life of a product or system, from the initial conception to final decommissioning and disposal


This is a concrete item and can be implemented directly

Term: life cycle; 
Plural: life cycles; 



Diagrammatic representation

Simple graph - life cycle

Required associations

exactly one product has exactly one life cycle

Optional associations

a number of systems has a number of life cycles


life cycle


life cycle