This is optional and not required. You don't have to change any labels, however if you would like to, you have the ability to edit almost every label in the application. Perhaps you call your affiliates "Ambassadors" or "Reps". You must first turn on Application Edit Labels setting under Admin Menu/Configuration/Settings/General
Settings/Application Edit Labels
Once you enable it click Save and reload page. You will see 3 cubes on each label which you can change.
For example, you want to change Quick Order to be Simple Order? Click on 3 cubes and eneter new label name and Save. Reload page and you will see new label name.
All your affiliates will see now Simple Order instead of Quick Order.
You can change any labels with 3 cubes icon.