This is a meta model class.

A location at which a META ACTIVITY occurs.

'In ambulance DDF334J' would be a valid activity site. It is possible for an activity, such as transporting a META PATIENT, equipment or stores, to start and end at different locations, associated with the 'start' and final' instances of META CHANGE ACTIVITY STATES. 

This class is also known by these names:

Context	Alias
plural	META ACTIVITY SITES