What is the meaning of goods receipts?

So the company receiving the goods can have a record of what was delivered, which company delivered it, when/how/who it was delivered and received the goods.

Also the company delivering the goods can have a copy of this infomation.

This can be used for accounting, stock check and rotation, to return any goods if there is a problem, also to check the correct goods have been delivered and if needed to help with theft possibly