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Glossary Page



The organization of classifiers or packages at the same level of abstraction. A layer represents a horizontal slice through an architecture, whereas a partition represents a vertical slice.

Contrast: partition


An individual participant in an interaction (that is, Lifelines cannot have multiplicity). A Lifeline represents a distinct connectable element.


A semantic connector among a tuple of objects. An instance of an Association.

See also: association

link end

An instance of an Association end.

See also: association end, classifier

local path

A relative path on a local machine, enabling developers to store shared source code in machine specific directories, but still generate and synchronize code.