Please read all the 18 posts in VK basics and hyperlinks in those posts and also read 30 min auto healing article.
You will get most of your answers.
If you use SERCH OPTION on forum and litairian with keyword AUTOHEALING …you will get many learnings
Sharat Sir puts in lot of efforts in writing these articles.
Please dont be in a hurry….absorb VK basics step by step with reading.