Join point
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In computer science, a join point is a point in the control flow of a program. In aspect-oriented programming a set of join points is described as a pointcut. A join point is where the main program and the aspect meet.
Conceptually, a join point exists where a precondition for a command in Hoare logic makes an assertion parametric upon the joint and several advice supplied by the different concerns at that point in a generalized abstract process, the unified thing composed from its concrete aspects being the pointcut.
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