3-4 point, high approach, inside contact, pull back

Pull back  

White pulls back at . This move either transposes into existing joseki or allows for early tenuki.

First transposition  

If - the pattern transposes into the tsuke hiki joseki. White can already tenuki at .

Second transposition  

While this shows a transposition of the Large avalanche joseki which KataGo evaluates as better for Black.

Kitani's joseki  

Another transposition. Again White can tenuki early.

A soft move  

is a bit soft. White can force and take sente.

Not what White wants  

In situations where White is not happy to let Black avoid the fight by the quiet connection at ...

White OK  

White would settle for something like this. Indeed KataGo thinks that this is a more favorable outcome for White than the previous diagram or the large avalanche.

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Pull back  

So, White's purpose with is early tenuki or the large avalanche variation.