In which stages of project management, each is developed? What is contained in Team Charter and how is it used for effective project management?

I need support with this Business question so I can learn better. Project Charter and Team Charter are two documents developed and used in project management. In which stages of project management, each is developed? What is contained in Team Charter and how is it used for effective project management? What is Project Resource Management What is Project Resource Management Project Resource Management – Basics and Methods for Beginners Project resource  Management according to the PMBOK