That is a tough question.
There are some people that are very good that still consider themselves "beginners."
There are others that literally know NOTHING about the subject and need to start "from the very beginning" - like this sharp pointy thing with a hole in one end is a needle - along with a demonstration on how it is used - these pointy sharp things are straight pins - etc.
(That isn't meant sarcastically - it's how I am with computers and computer programs)