Ordinarily one would say that one who understands {less, more} is {less, more} literate. The base case is Babel: complete mutual incomprehension, like unto that

Ordinarily one would say that one who understands {less, more} is {less, more} literate. The base case is Babel: complete mutual incomprehension, like unto that of the beasts. Any who leave this state, in no matter which direction they leave, have read and understood. So, I can't in good conscience answer your question. Language is just exactly what we make of it. Irony, on the other hand, is a single message for multiple audiences. It requires a degree of mutual incomprehension.