Individual activities, their duration, and temporal arrangement, as well as logical dependencies, are represented in a precedence diagram, which allows for the computation of activity start and end times and buffer periods. A precedence diagram example can depict the entire design or partial structure of the project lifecycle or "just" subprocesses. Partial precedence diagrams are linked with other partial precedence diagrams; depending on the point of view, this is referred to as fragmentation or generalization. According to the needs, the depth of detail of the precedence diagram example visualization is both a benefit and a challenge. Precedence diagrams, made up of nodes and arrows, are a type of graph theory. Three components make up a network: A process is an action that begins and ends at different times. In a project, an event is a defined, definable state. A logical dependency (i.e., functional, technical, and people and time) between separate processes is defined by activities' interdependence; it always exists between precisely two nodes. Nodes can represent activities or events, and arrows can represent activities or relationships, depending on the parameters of a precedence diagram. The precedence diagram determines the interpretation approaches you to select. Rather than the activity arrow, the activity node is commonly employed in managing projects.