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person using the system for a health-related purpose


This is a concrete item and can be implemented directly

Term: user; 
Plural: users; 



The user may be the subject of care directly, or an individual assisting (as proxy for) the subject of care.

Diagrammatic representation

Simple graph - user

Required associations

Optional associations

one or more implementer responsible for training of a number of users
a number of users uses one or more systems
a number of users may undertake a number of reasonably foreseeable misuses