The grouping variant of ITEM, which may contain further instances of ITEM, in
an ordered list.
Declaration :
Artifact : CLUSTER
Relation items (<directional composition>) |
Ordered list of items - CLUSTER or ELEMENT objects - under this CLUSTER.
Declaration :
All public operations : concept , is_archetype_root , item_at_path , items_at_path , parent , path_exists , path_of_item , path_unique