Whoever wrote this must NOT have been a graphic designer because all of these things are used in different mediums of graphic design. Also if something is for designers, make sure your design is damn good. The Skills Required To Be A Good Designer.
Fully trusting God will enable you to take that leap of faith. God knows our heart and the true desires of it. What a testimony it has been since I stepped out taking a huge leap of faith - trusting that God would in fact lead the way.