Learn English – If not directions, what are items in the set {northbound, eastbound, southbound, westbound}

Try:

Koan

or

Riddle

Though this kind of question could be called a 'joke' - the humorous context of some questions can allude to a deeper philosophical proposition.... which can be funny in the context it is presented.

Consider the parable(s) of the Sphinx, and mythological creature that tested the dimensions of character through riddles.

I like the etymological root of "sphinx" ("shesepankh"), meaning "living image", because of the poetic connection to the life that is ultra-present in questions like are asked-about here (jokes, riddles, etc). I think these questions are 'more alive' and thus are more of a "living image"

I know this as a crown, and some people are described as having double crowns. Wikipedia however suggests the term hair whorl and also mentions the terms swirls, trichoglyphs, and cowlicks.