Small (credit card size or so) tonal and compositional sketches to try out design or subject ideas.

crude, small pencil drawings used to develop the initial concept for a design.

a small sketch about the size of a matchbook

a small, very quick drawing where you make some decisions about how you want to lay out the panels and maybe even the dialogue balloons

A small pictorial representation of a dialog which appears in the Sun WorkShop Visual Capture dialog when a dialog is captured.

A small, very loosely drawn quick sketch used to make preliminary judgments about the "look" of a Web site. Their advantage is that several can be made very quickly for comparison.

A small, quick sketch used to rapidly communicate ideas.

A simple drawing, usually quite small, that shows the basic elements of a print advertisement.