Answer:
The department by department is arranging users into security groups to set permission at a group-level.
Step-by-step explanation:
Team by team is just formed group method but the team been set will work on based on the project. Once the project is getting over then the team group assigned permission has to be disabled or deleted.
Department by department is just good methods where each department will have a list of users and easy to assign the group.
user-by-user. is just assigning the rights of each individual user. But if the user has multiple departments login it will be good advice.
organization-by-organization. It is just assigning rights to complete users list in the organization.