Setup table loading.

Hi,

How to initiate setup table loading tables for Lo extraction?

When you load setup table does it load all the data in transactions tables for all the logistics application components (Ex: SD, MM, PP etc..)

do we have to set the selection criteria in infopackage so that it only loads the relevant content for a given datasource?

Thanks! much for help in advance. some of them may have answered already, but I could not find any that I could understand.