Here's a short article to explain some of the terminology if you are not a technical person!
What is a Bucket? A bucket is a sub folder where you can save all your images, video & audio files, and pdf's to.
What is an Asset? Asserts are images, video's audio files, pdfs's
What is a Component? A component is a tool (there are different components and all do different jobs, there are components for images, questions, text etc)
What is a Resource Manager? A resource manager is a large folder where all your buckets and assets are saved.
What is the Organisation? The Organisation is the company that you are creating the courses for (this could be your college, office etc)