| Description | Shape's name |
| No parallel or congruent sides (a basic 4 sided figure) | |
| 1 pair of parallel sides | |
| Opposite sides congruent & 2 pair of parallel sides | |
| Equalangular & 2 pair of parallel sides | |
| Equalateral & 2 pair of parallel sides | |
| Regular & 2 pair of parallel sides | |