what are the different types of drawing styles?
['Rough sketches. Steering away from perfection, this can be a great way to really practice your skills with a series of quick sketches. ... ', 'Doodling / scribbling. ... ', 'Industrial / architectural. ... ', 'Caricature. ... ', '5. Anime / manga. ... ', 'Realism / photo realistic. ... ', 'Pointillism. ... ', 'Surrealism.']