A Dependency indicates a semantic relationship between two model elements (or two sets of model elements). Dependency indicates a situation in which a change to a supplier (target) element may require a change to a client (source) element in the dependency.
A Dependency is shown as a dashed arrow between model elements. The model element at the start point of the arrow (the client element) depends on the model element at the arrowhead (the supplier element). The arrow can be labeled with an optional individual name.
