Adobe Illustrator is a vector graphics editor tool, illustrator is very use in vector designs, illustrator often use in hand drawn sketches also, illustrator has very helping features for the vector graphic designers, and become a master in illustrator is a bit hard, I know every designer desire to have some creative techniques and skills in adobe illustrator, to become a professionals designer and achieve the creative techniques and talent in illustrator you should have to do practice by creating illustrator designs by using illustrator tutorials, illustrator tutorials are best way to learn any tool or thing...