And then you have to do the initial sketch of the character, which is like your structure of a piece, and then you add pen and pencil and whatever details that you need -- that's polishing the drawing.
I onda trebate imati inicijalnu skicu za svoj lik, koji je poput vaše strukture djela, i onda dodate boju i olovku i koji god detalj trebate -- to znači ispolirati crtež.