[AndyB]

What is a diamond? It's a rhombus. Where did the word rhombus come from?

Originally Posted by Wikipedia

The origin of the word rhombus is from the Greek word for something that spins. Euclid uses the word ρομβος; and in his translation Heath says it is apparently drawn from the Greek word ρεμβω, to turn round and round. He also points out that Archimedes used the term solid rhombus for two right circular cones sharing a common base. For more on the origin of the word, see rhombus at the MathWords web page.

Could this mean that there are quick periods, or that the goals are in the corners such that the robots must constantly be turning around to achieve an objective?