| 3-.-... | mesh of triangles |
| 4-.-... | mesh of quadrilaterals |
| .-l-... | linear Elements |
| .-q-... | quadratic Elements |
| .-.-hn | red refinement with hanging nodes |
| .-.-Bg | green refinement due to Baensch |
| .-.-rg | red refinement then green closure |
| 'h-' | hanging nodes used for any cases |
| 'h-08' | hanging nodes - node bricks (trilinear elements) |
| 'h-20' | hanging nodes - node bricks (Serendipity elements) |
| 'h-27' | hanging nodes - node bricks (full triquadratic) |
| 'slope' | straight=1/n (n...number of unknowns) |