Some link with tutorials and definitions from Investopedia.
Sorry to not posts the text but we could have some copyright problems. I've read almost all links and everything is fine
Options Basics: Introduction
Single Payment Options Trading (SPOT)
Barrier Option with all definitions about options barriers, DT, DNT, ST and so on. This is the best link
Getting Started In Forex Options
Hedge
The Four Advantages Of Options
Option spread strategies