Beginning Blogger Terminology
Blog or Weblog
Blog is a condensed form of Web log. A blog is a series of entries formatted in a single column of text in reverse chronological order (i.e. most recent content at the top) where readers can link to individual articles. Most blogs contain a sidebar that contains links to entries or other blogs, and the content is frequently updated.
Blogger
A person who owns or writes for a Weblog.
Commentator
A person who leaves remarks or a comment regarding an entry in a blog.
Moderator
A person who has the authority of the Blogger/Webmaster to Author new posts & monitor/adjust comments.
Permalink
A link to a specific article in the archives of a blog, which will remain valid after the article is no longer listed on the blog's front page. Or, a link in a blogroll.
RSS
RSS is a Web content syndication format. RSS is an acronym for RDF Site Summary or Really Simple Syndication or Rich Site Summary.
Sidebar
One or more columns along one or both sides of a blogs main page, usually used for links, contact information etc.
Spam
Spam is unsolicited online messages generally commercial in nature. Spam is usually delivered as email however, spam may also occur in the comments on a blog. Comment spam is when someone posts off-topic commercial remarks with links in a blog's comment section.

I wondered what a Blog was. Good to know others must be asking the same thing.
Yes, Im glad Sally explained that. I had read blogs before but they seemed to be more like a diary. when I got here i wasn't sure where"here" was or what I was supposed to do, so maybe we'll all learn together.
I have a question(anyone), what does the "subscribe" part mean?
Hi Shirley, it's always great to see you! We are all learning this Blog together. lol
I think if you 'subscribe' the blog automatically sends you an email every time someone posts.
You can subscribe to just one thread on the blog, or the entire blog. Or..not at all.
If someone learns something else, please do let us know.