⌘ Jis the default for Slapdash). The Command Bar will appear on top of the application you are in. Clicking anywhere outside of it or hitting Esc will hide the Command Bar. To bring it back, just press the shortcut again.
Enteror click on an option to do something. Hitting
Enteron a search result will open it. Hitting
Enteron a command will run it.
Enterruns the Action associated with the selected option. Every option will always have an Action.
Enter, that's all you really need to know.
Tab. It allows you to continue the experience in the Command Bar: like clicking a link to a different part of the app.
Tabon a search result will give you new options like Copy URL or Add to Space, for example.
Entermoves the Command Bar to the Show Calendar Schedule command's location. Here,
Tabwould have gotten you to same place.
Tabon an event (one of the options) moves to a new location in the Command Bar that shows event details.
Shift+Tabreverses the movement and brings you back to the list of events.
Enteron the event option runs the Action, which in this case is to open the Zoom app directly to the meeting video chat.