Who is God? How does He Communicate With Us?

Do we believe God? Who is He? What is He like? How does He communicate with us? What is the Trinity? What is the Bible? How does God 'speak' to us through the Bible? What has God revealed about His character, what people are like, what sin is, how God deals with sin, etc.? How is the Bible organized and what is it teaching us? How much does Greek philosophy affect how Western people read the Bible in the USA? Just a few simple topics to tackle here.