Bidding with Adsense
Google Adsense is the best way to make you product/services known to the world. It is necessary to know what to do to make your ad feature on millions of websites.
CPC : Cost-per -click
As an advertiser you need to set the amount you are willing to pay when you ad is clicked on a site. However as an advertiser the amount you are willing to pay will depend on how much other advertisers are willing to pay to promote that same product/service.Consider other factors before setting up your budget.
CPE: Cost per Engagement
While some advertiser pay per click, others might like to pay for something beyond clicks. Here you set you pay only when a user interact with you ad in a particular way aftre clicking. This works very well with video ads.
Active View CPM : With this method advertisersbid to pay for viewable ads. However you will still bid for 1000 viewable impressions.Thus Active View Cost per 1000 impression.
There are other options that you need to consider as an advertiser. I believe this three will increase your understanding on how adsense functions as an advertisers.