Activity diagram represents flow between system activities. Activities are divided into actions connected by edges. Diagram focuses on system behavior execution rather than implementation
Activity diagram shows system activities as flowcharts. Part of behavior diagrams describing system behavior. Helps business and development teams understand same processes
User flow diagram visualizes user steps in digital interfaces. Essential for smooth navigation and enhancing user experience. Uses universally recognized symbols and clear paths
Use case diagram shows interactions between actors and system to achieve goals. It helps identify and organize system requirements in natural language. Diagram provides simplified graphical representation of system functionality
Use case diagrams visualize system requirements from end-user perspective. Diagrams help specify system context, capture requirements and validate architecture. Actors represent system participants, which can be people or external systems
Flowchart visualizes C program's logic flow using symbols and arrows. Each program operation corresponds to specific symbol on flowchart. Flowchart doesn't replace coding but provides visual roadmap