Judaism 101
Judaism 101: The Name of God
This site explains the significance of names in Jewish thought, the various names of God, why Jewish people don't fully write the name of God, and pronunciation of the name of God.
Other
Aish.com: What Is a Rabbi?
Aish.com answers the title question, describes how a rabbi differs from clergymen in other religions, and briefly describes how a Jewish person becomes a rabbi.