WordPress is a powerful semantic publishing platform, and it comes with a great set of features designed to make your experience as a publisher on the Internet as easy, pleasant and appealing as possible.
You can read more about WordPress here.
WordPress itself has awesome documentation so rather than try to reproduce it here, we recommend heading over to the Codex to read all about it.
- WordPress.org Codex: First Steps With WordPress
- WordPress.org Codex: WordPress Glossary.
- WordPress.org Codex: Features: