A character design sheet, model sheet, character board, character rotation or study is a document used as a guide for the appearance, pose, and movement of an original character in animation, comics, and video games. Usually, a character rotation sheet has 5 character views such as front, back, side (left), side (right) and 3/4 sections.

While character assets are visualizations of the character rotation sheet into digital illustrations. These character assets have outlines and various colors to fill the character.