Like in emacs:
| Annotation | Keybinds |
|---|---|
M-<key> | Alt+<key> |
C-<key> | Ctrl+<key> |
Also like in emacs, each key interacte with one type if element:
M interact with workspaces
C interact with windows
So:
M-1 means “workspace one” and C-1 means “window one”.