3AM Signal Flow

This is what I was working on in the middle of the night last night.

I'm learning that you patch a signal into a channel, choose either mic/line, bring up the fader, select the bus you want it routed to, bring that fader up, arm the multitrack channel, turn on the monitor path on the console, turn up its Mix B level, and finally to turn up the mix B volume to hear it in the headphones.
AKA signal flow.