Writing description is very important to every blogger to become a successful blogger .Because if you want to Get Hug Traffic then Description will take very important role. So keep going on write good description about your website and about your post.This is part of SEO.
Here is question for bloggers how to write description blogger.In Blogger Don't need to go for Meta tags In Html Code to write Description. Description in Blogger two types, first one is Description about your blog
How To Write Description Of My Blog OR Website In Blogger
1.LogIn to Blogger
2.Goto settings|Basic
Here is Example with picture
Then Click on Save changes after writing of your blogger description.
Note: Description should Related to your blog or website and related to blog title.
How To Write Description Of Each Post In Blogger
Most of Bloggers writing their valuable words in blogs to educate people so this could be reachable to every one in the world.So you have to do Proper SEO for this.
1.After login into blogger
2.Click on post-at right side of post area you will see it.
Here is Example with picture
After writing post Description Click on DONE.
Note:Always write Good Description.It Must related to your Post.
I hope You Understand it clearly. Any Doubts Please Comment.