This document provides an overview of what a blog is. It begins by defining a blog as a type of website that is regularly updated with informative articles written in a conversational tone. It is owned and maintained by an individual known as a blogger. The document then discusses basic blog terminology like website, blog post, domain name, and blogging platform. It provides definitions of a blog from different sources and discusses the concept and origins of blogs. The document concludes by offering tips for getting started as a blogger, including selecting a niche, domain, and hosting.