All screens show their Quick Key Code in the top right corner, and a menu tab in the top left corner. Many screens contain a ? button, which will open a 'select' screen that lists all available entries.
The main types of screens that you will encounter in the Concord System are
Maintenance Screens (eg Item Master, Customer Master)
Transaction Screens (Purchase Order, Sale Order, Sale Invoice)
List Screens (Job List, Transaction List)