In Degas's compositions with several dancers, their steps, postures and gestures often resemble the almost geometric, formal letters of an alphabet, whereas their bodies and heads are recalcitrant, sinuous and individual.
Alphabetical order had to be invented to help people organize the first dictionaries. On the other hand, we may have reached a point where alphabetical order has gone obsolete. Wikipedia is ostensibly in alphabetical order, but, when you think about it, it's not in any order at all. You use a search engine to get into it.