Well, over features people normally pretend Wordpress over Blogger as far as blogging is considered. But in-fact I think they are going mad, because we are not aware of all the features of Blogger. I strongly recommend Blogger users to read Blogger Help Support to gain as much knowledge as they are required. Further lets reveal those secrets which are still (might be) enclosed in the chest.
This feature can be found in posting area right sidebar.
Robot.txt Robot Header tags
Comment Form Message
For home page description go to Setting > Search Preferences. For post and pages, you will find search description on their specific posting pages. I always recommend Blogger users to add this description with every post.