Does the company you work for either currently or in the past transfer products between divisions? Would it make sense if the company does instead of buying externally?

This is a transfer of pricing question, please help.

I just need help with a brief explanation on any company so I can understand the concept of transferring of pricing. It can be any company.

This is all the relevant information that was given. please help with a brief explanation on any company. this is a managerial accounting question

https://www.youtube.com/watch?v=GPLMVvdPEVg

https://www.youtube.com/watch?v=QuO5tOTda0M

these two video links were provided to me to help understand but i still don't understand the concept. PLEASE HELP.