Back arrow, reload sign, house for the home button (all them on most web browsers), +/- signs, trash can to delete, music notes, thumbs up and down, movie clap, compas for navigation, "?" for help, clock for time, lockpad for secured, git wrap for free, speaker for volume, bell for notification, battery, pen to edit, calendar for date, clipboard to copy/past, gear for settings, yellow triangle for warning, red circle carrying an icon for forbidden, check mark for approved...

We are literally living in the era of emoji and there is one for every single one up there. Teens can have all conversations without using words.

It happens because the more we use symbols, the more we attach and spread meaning.

Send "lesser than three" to someone 30 years ago, you'll get a blank reaction.

Send "<3" today, and it's a different game.