Basically blogging is a content based off page technique we can post a short story or tips any other stuff within 400 to 500 words with our relevant keywords.there are lots of blog submission sites.first of all you have to find out "what is a BLOG".
Google's Blogger is a great way to get started their template system is very easy to use and you can play around with it without risking braking it. From a SEO side its not the best option though it is owned by google and does rank well in the long run. There are many flaws in its SEO design.
Yes, If you are creating blog for backlinks purpose then Blogger is a best option(allow backlinks in posts). While WordPress suspend your blog as well account when you use backlinks.
A blog is a website in which items are posted on a regular basis and displayed. The term blog is a shortened form of weblog. Authoring a blog, maintaining a blog or adding an article to an existing blog is called blogging.