Use the project's work breakdown structure (WBS)
OT or WBS task flowchart

EO is therefore a coherent division of work that enables activities to be allocated between the various project players. While it is of prime importance in the preliminary phase, for establishing the various estimates (durations, costs, resources), it is also very important in the context of project management and monitoring (control, reporting, anticipation, documentation management, etc.).

The creation of an organization chart leads to the definition...