can also mean 'the desk'
Transliteration from Classical Arabic form: 'the writing place'
This should be in the tips for this course. Also this course needs tips. It's not hard to overlook the shared root كتب with كِتاب when you're unaware of such a system.
I was not aware one could do that.
It's not that difficult: put together your index finger and your thumb with the other three fingers extended.