, but not depth
(the third spatial
". Often used as part of the phrase "two-dimensional surface
", such as a flat painting
, tabletop, wall, or floor.
In a literary context, a two-dimensional character is one who possesses ambitions and motives, but no clear past or reasons to explain them. Most TV or comic book characters begin as two-dimensional characters until they've existed long enough to have their past and origins explored by the writers.