If you are a beginner to Bitcoin read A beginner's guide to bitcoin

If you want to learn more read "Bitcoin step by step" by Michael Caughey

or "BITCOIN MADE EASY" by Kris Rivenburgh

If you want to interact with the community join bitcointalk.org

If you still can’t figure out what a bitcoin is, read the article Explain Bitcoin like I'am five

If you want to learn how to accept Bitcoin for small businesses read here

https://en.bitcoin.it/wiki/How_to_accept_Bitcoin,_for_small_businesses