I created this post just to have a reference for all the Apple keyboard symbols without resorting to searching the internet.
| Symbol | Key |
|---|---|
| ⌘ | Command key |
| ⌥ | Option/Alt key |
| ⇪ | Capslock key |
| ⇧ | Shift key |
| ⌃ | Control key |
 | Fn key |
 | Display brightness |
 | Keyboard brightness |
 | Eject |
| | Apple |
References: