Think of meta bar as your navigation center for your desktop. Use Option Space to open the bar and use it by typing in a keyword or command from the list below. You can open any document, web page, app, and much more.
Launch Meta Bar Shortcut : Option + Space
It will select your tab with email and it will be brought to the foreground
Let’s say you have 50 apps or pages open and need to find an important email. Use a relevant keyword in meta bar and you’ll be able to quickly find it.