Use posts to tell the world what you are (on) about.
Posts will allow you to do that. Want to publish a blog, write a journal, or add a news section for your site? Again, posts will allow you to do that. Want to host a library of information archived via a reverse chronological ordering system and categorized according to your choice of subject? You get the idea…
Posts, like pages, are dynamic content, but instead of a hierarchical structure, posts are attributed a time-stamp (which you can edit as well) and categorized according to your preference.
The posts screen: as many blogs consisting of as many blogs as you require
