To ensure project success it’s important all parties involved understand their roles, responsibilities, when to contribute their part and dependencies across the team. Below is an example of a standard project workflow used for large enterprises.
This workflow establishes a consistent end-to-end strategy clients and members of the development team reference throughout the project lifecycle.
I find that categorizing this in-depth workflow into understandable ADDIE components better facilitates communicating the plan to executive management.
Keep in mind, this model may change based on business needs and organizational/team structure.