This is a great question. We spent a lot of time making sure the Fig can be driven from the keyboard.

You can launch apps, search your shortcuts and toggle focus between the terminal and Fig all without touching the mouse. Our global hot key is CMD+I.

Each Fig app also has its own shortcuts. A few of the conventions we are trying to enforce across all of them are J and K for moving between inputs (tab also works) and the keyboard mnemonics you mentioned.