The walls of the building is like the cell membrane, it keeps everything inside and only lets certain items in and out. It also keeps garbage out just like the cell membrane keeps toxic things out of the cell while using doors to let people in.
This is the store manager, she is there to know everything about the store and everything that is going on in it. She is like the nucleus of the cell knowing everything about the cell and causing it to do all of the things that everyone is doing.
This is a manager of the store he is like the nucleolus of the cell he knows more specific information about how the