How many examples do you want.
1. Using a skin as it is: Downloading software without paying
2. Taking someone elses skin, modifying it a bit, and claiming it as their own: Taking an existing bit of software, modifying it a bit, then claiming it as their own.
They are both very simple concepts and analogies, so if you can't get them after 3 explainations, then you are going to struggle somewhat...
1. Using a skin as it is: Downloading software without paying
2. Taking someone elses skin, modifying it a bit, and claiming it as their own: Taking an existing bit of software, modifying it a bit, then claiming it as their own.
They are both very simple concepts and analogies, so if you can't get them after 3 explainations, then you are going to struggle somewhat...