Top column. The top of the screen shows your earnings for periods. When the amount of your earnings reaches $ 30, it will appear in the «available for withdrawal» window.
conversion statistics. This graph shows statistics on clicks and banner impressions only if you take them from «promo materials» in your account. «Direct links» are the actual clicks on your referral links.
registration statistics. This graph shows statistics on the number of registrations, the number of accounts with the first deposit, and your earnings.
Stats summary. The statistics at the bottom of the page shows detailed statistics in numbers for the period you choose (registrations, accounts, deposits, income, and your commission — earnings).
However, this is a brief, maximally simplified statistics. In the account menu «Reports» -> more detailed statistics.