| drag_region1 | Interactive moving of a region. |
| drag_region2 | Interactive movement of a region with fixpoint specification. |
| drag_region3 | Interactive movement of a region with restriction of positions. |
| draw_circle | Interactive drawing of a circle. |
| draw_circle_mod | Interactive drawing of a circle. |
| draw_ellipse | Interactive drawing of an ellipse. |
| draw_ellipse_mod | Interactive drawing of an ellipse. |
| draw_line | Draw a line. |
| draw_line_mod | Draw a line. |
| draw_point | Draw a point. |
| draw_point_mod | Draw a point. |
| draw_polygon | Interactive drawing of a polygon row. |
| draw_rectangle1 | Draw a rectangle parallel to the coordinate axis. |
| draw_rectangle1_mod | Draw a rectangle parallel to the coordinate axis. |
| draw_rectangle2 | Interactive drawing of any orientated rectangle. |
| draw_rectangle2_mod | Interactive drawing of any orientated rectangle. |
| draw_region | Interactive drawing of a closed region. |