Here’s an interesting juxtapostion.
Yesterday was a big deal in math circles, being called “Square Root Day” because it was March 3rd, 2009. (03×03=09)
Right there, in a nutshell, you’ve got the crux of communication as we know it.
Numbers and Words. Conveniently paired on Calendars everywhere. (Well, okay, assuming that they are Gregorian calendars, and it helps if you’re an English speaker, but you know what I mean.)