Atheism vs Agnostic

There seems to be some general confusion on the relation of the two terms agnostic and atheist. Most self proclaimed atheist assume correctly that their rejection of the claim of a god is because there is no empirical data. It seems that agnostics (Greek for without knowledge) are not accepting the claim of god, and they do not reject the existence of a god; they say they just don't know. While they do not accept the claim, regardless if they do not reject it, they are still atheists. Agnostics seam to be willing to say they don't know, not a theist, but they are not willing to say their atheist who say there is no data. Atheism is just a term that means that one is without a belief in a god; agnostics say they don't know. That also is a lack in belief in a god (aka- an atheist). This is written about in more detail in "Atheism: The Case Against God." Please, as this is a new BLOG, write questions that you would like me to cover in the future.