Sir Paul signs copies of new Wings compilation

The transcript involves a brief interaction where a direction is clarified, followed by an expression of gratitude towards Mr. Carter.

What does the phrase 'it's the other way' imply in a conversation?

In what situations might someone say 'it's the other way'?

What might Mr. Carter be thanking someone for?

What are some possible reasons for Mr. Carter's gratitude?

How does the expression 'thank you' contribute to the tone of a conversation?