difference between ship-to location and deliver-to location

Summary:

ship-to location and deliver-to location

Content (required):

Can someone please explain the difference between below 4 fields

ship-to location(PO header)

deliver-to location(PO line)

Location(PO line)

Deliver-to organization(Config Req Business Function setup task)

Version (include the version you are using, if applicable):

21c

Code Snippet (add any code snippets that support your topic, if applicable):