Rhombic tiling, permutation plot, subset gamegraph, permutahedron, hyperplane arrangement, structure diagram, three-dimensional heap, Cayley diagram, braid graph, and L-tromino tiling.

The Jedi Master Yoda has had some awesome quotes over the years. The quote below from The Last Jedi is one of my all-time favorites from Yoda because it embraces productive failure.

Pass on what you have learned. Strength, mastery. But weakness, folly, failure also. Yes, failure most of all. The greatest teacher, failure is.

Yoda