When in the main window where you enter players and results, the table shows a number of coloumns for entering information. The most important are
No, Class, Title, Name, Club, Born, Rating (both local and international), ID-number, Available, Amount
The 3-4 last fields is only visible after pairing of the first round, and refers to the round currently chosen under "view round":
Additional fields may also be visible. Exactly which, depends on your selections in the select window.