Your dashboard is your homepage when you are logged in. Here you have an overview of the number of clicks, unique clicks, sales, conversion, and earned commission for the current day.
Clicks: total number of clicks.
Unique clicks: number of individuals who clicked on your link.
Sales: how many sales have been made based on your promotion.
Conversion: the percentage of your unique clicks that resulted in sales.
Commission: the percentage you earn based on a sale.
Additionally, you can see the 'Instagram Today' overview. Read more about this here.
You can also see your commission overview, which provides an overview of where your commission is in the payout process.