There are 6 types of Adsense Ads are provided, which are
1. Text Ads
2. Image Ads
3. Link Text
4. Refferal Buttons
Even there are 6 types of ads by Adsense but only 4 types of ads (Image Ads, Link Text & Referral Buttons) are more general. This is because google only give this 4 types of ads for the adsense publisher of most countries. For the Video Ads and Themed Ads, only available for US and some other countries.
So, how we going to use the ads mentioned to earn money from adsense?
This is the next topic.