How do I change the spacing between the number and the title of a section? I would like to have the following:
1.(1cm space)Section name
This adjusts the space for all section headings, and also for sub(sub)sections to 1cm:
You can modify this redefinition as you desire. It works with KOMA-Script classes as well, as I notice your koma-script tag.
The "1.", "(1cm space)" and "Section name" are each components of the sectional command and, the
to change the format of a sectional title. You could use the latter in the following way: