Earlier quoted context omitted.
Yes, it's only like 20 keywords to learn. I wish people who come up with all these inscrutable icons would realize that.
Why is learning 20 inscrutable icons harder?
2. cannot google an icon
3. icons are not standardized - companies copyright their icons and sue anyone else who uses them
4. icons do not have a sort order
5. cannot type an icon into a text editor /word processor
6. fonts don't support icons