14+ Activity Diagram Meaning. Activity diagrams can also be written without a partition. The activity diagram describes the sequencing of activities, with support for both conditional and the diagram says that these activities can occur in parallel.
In our context, an activity represents a business process (figure 3.16). An activity diagram is a type of uml diagram. A border can surround the activity, meaning the entire activity diagram.
We use activity diagrams to illustrate the flow of control in a system and refer to the steps involved in the execution of a use case.
14+ Activity Diagram Meaning. Definitions for activity diagram ac·tiv·i·ty di·a·gram. Uml stands for unified modelling language. Activity diagrams are created to illustrate the flow this means that the activity has two starting points. An object flow arrow from an action to an object means that the action creates or influences the object.