Please help me everyone, i don't even know what to do with creating component and drag, drop that component into the page?
Follow this:- Adobe Experience Manager Help | Creating your First Adobe Experience Manager 6.3 website
// This will help you understand what is component how to create it and how to use it. Later this article will cover some complex topics and let you learn how to a website.
That article is the best place to learn how to start using AEM. There is no Java, no OSGi or DEV topics. Only how to use CRXDE lite to build a sample web site.