A blog is basically an online journal wherein you can digitally write down your ideas, blogging sites, even allow you to put video and mp3's on your blogs. Title- which allows you to label your post Body- this is the content of your post Trackback- other sites can be linked back to your blog Permanent link- every article that you write has a URL Comments- this allows readers to post comments on your blog.
The advantage of blogging is that it is made of only a few templates. Unlike, other websites that is made up of numerous individual pages. This makes it easier for blog users to create new pages, because it already has a fix setting.