What do Mac keyboard symbols mean?
In a macOS menu, ⌘ means Command, ⌥ means Option (also called Alt), ⌃ means Control, and ⇧ means Shift. Hold the keys shown together. For example, ⌘C copies, ⌘V pastes, and ⇧⌘3 captures the whole screen.
How to copy the Mac Command or Option symbol
Select a key above to copy its symbol, then paste it into a document, README, or message. To write a shortcut like ⌥⌘K, select Option and Command, enter K, and copy the assembled shortcut.
To find more Unicode characters on a Mac, open Edit → Emoji & Symbols in an app that offers the menu. To see which characters your current keyboard layout can type with Option, open Keyboard Viewer from the input menu.