>>41351867
>Which part is the part that will tell me what I need to know

What do you need to know? Can guide you along in Qayinite praxis if you need help.

Sigils overall are processed with the "Third eye"; ie the organ you process spiritual information with.
ie spend time with the books if you feel drawn in. Liber Falxifer 1-2-3 and Book of Sitra Achra: A grimoire of the Dragons of the Other Side".

Book of sitra achra here:
https://archive.org/details/TheBookOfSitraAchra/page/n41/mode/2up