To understand a subject you must understand its basics. If you don't know what an engine is you aren't going to understand a car. The same applies to Scientology, if you understand the basics then you will understand the subject.
To help people understand the basics of Scientology new editions of all Scientology books have been published. These new books contain large glossaries and detailed explanations so they can be easily understood.
To find out more check out the website: The Basics of Scientology