Associations to the word «Polybius»

Wiktionary

POLYBIUS SQUARE, noun. (cryptography) A grid used for fractionating plaintext characters so that they can be represented by a smaller set of symbols.

Wise words

Words to me were magic. You could say a word and it could conjure up all kinds of images or feelings or a chilly sensation or whatever. It was amazing to me that words had this power.
Amy Tan