“Blog” is an abbreviated version of “weblog,” which is a term used to describe websites that maintain an ongoing chronicle of information. A blog features diary-type commentary and links to articles on other websites, usually presented as a list of entries in reverse chronological order. Blogs range from the personal to the political, and can focus on one narrow subject or a whole range of subjects. This Knowledgebase is a support blog.
There are many, many lessons online for those interested in digging in to blogging. The dynamic, changing content of a blog is some of the best organic SEO you can do to increase its relevance of your site.
Visit this post - Introduction to Blogging- for a more information on blog content, comments, and more.