When your campaign is live, your ad is shown to the targeted audiences.
In the campaign list you can see your original Budget, Amount delivered, Quantity, Impressions, Clicks and CTR (click-through-rate).
Statistics how many times your ads are shown (impressions), clicks, views, completions, etc. are collected daily. The daily statistics are calculated into Performance charts which are updated continuously.
Statistics are collected from creative level all the way up to totals for all your campaigns.
On your Dashboard > Performance summery you get an overview of total statistics for all your campaigns.
How many times your ads have been shown.
You can filter the chart on Start and End dates.
If you move your mouse over the chart you can see more details.
Number of times people have clicked your ads.
Total amount delivered.
On Campaign details > Performance you find the statistics for each campaign.
CTR - Click-Through-Rate
In addition to Impressions, Clicks and Amount,the campaign details show you CTR (Click-Through-Rate).
CTR is the percentage of all the people who saw your ad and clicked on it. CTR is calculated as Clicks/Impressions.
Campaign details > Creatives give you an overview of statistics per creative. You can use this information to see which of your creatives performs better.