Status
This proposal appears unlikely to go into ADL/AOM 1.5, and will probably evolve based on specifications emerging from IHTSDO. Some form of it is likely to be added to ADL 1.6 or later.
Introduction
In ADL 1.4 and lower, the idea of a 'slot' is a joining point from one archetype to another, similar to the idea of an 'association' or 'aggregation' relationship in UML. It is usually defined by a constraint on archetype identifers, although other kinds of constraint can be used. In the openEHR 'template' concept, slots are normally 'filled', in order to create large aggregate structures, such as whole COMPOSITIONs.
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