(1) A specific location on an activity diagram or state chart diagram where the workflow may branch based upon guard conditions. See also business value.
(2) A process element that routes an input to one of several alternative outgoing paths, depending on its condition. A decision is like a question that determines the exact set of activities during the execution of a process. Questions might include: What type of order? Or How will the order be shipped?
(3) The component of a policy expression that indicates the specific behaviour or property that the policy affects. Types of decisions include actions, goals, results, and configurations. See also decision name.