New to ON stocking

I'm on night three tonight. First night on the schedule. My first two nights I just did what I was told, but how do I know what I'm supposed to be doing? Does it say in the app? Is there a cheat sheet for section names somewhere? I've been working the hygiene section, I think called HBA. Last night I worked bins, breakpacks, and carts someone made for me?

A little lost, still trying to figure out what I'm doing. Thanks for the help!