If literacy denotes the ability to read and numeracy means we understand numbers, what word describes comprehension of icons? Iconacy?
The hamburger icon is supposed to imply a list, or more stuff.
The list of icons we must now know is very long and forever getting longer. Ignorance is not an option. Icons tell us what to do and how to do it.
From left: SCSI, USB (1.0,2.0,3.0 or C), Ethernet, Firewire, High Definition Multimedia Interface (cheats with initals), Power On/Off
Some of the connector icons above are pretty well obsolete, but you still see them on older electric products. The newer icons will have a similar fate, but faster.
The extent of to which pictograms are replacing words is well illustrated 🙂 by the Noun Project. Check and see how iconate you are. Some seem clearer than others, some are ambiguous and other are mystifying.
But officer, the sign clearly says, “🐇”.