Here’s our first overview of Bitcoin. We will start with two broad definitions, some basic terminology, and a video on Bitcoin discovery. Do not worry if you do not grasp everything yet. We are getting to know Bitcoin, little by little.
Bitcoin in a nutshell...
Bitcoin is money no one can take without your permission. It cannot be inflated away or confiscated, because no one person, company, or government controls it.
...and here is an alternative take:
This slideshow provides definitions of important Bitcoin-related terms. Have a look!