<p>Graphics are graphs with attributes at their vertices. Graphic grammars are natural extensions of graph and attribute grammars with rules that are attributed extensions of the ''pushout'' productions of graph grammars. The theory of graphic grammars is presented and various programming implementations will be discussed. Many motivating examples will be given, including</p><ul> <li>the development of biological organisms </li><li> the ''semantic net'' representation of expert system knowledge. </li></ul>