DO I LOVE SMART PEOPLE OR WHAT?
AWESOME!
Now, what does all this mean?
It means that instead of a programming language that uses a set of standard libraries, which are pieces of code and methods and functions and whatnot that are very useful that other people already wrote for you, this programming language uses a megaproject knowledge center and knowledge interpreter (in addition to having its own libraries of code).
I'm not sure if you're familiar with coding, but it's very specific, very dry, and to the untrained, pretty difficult to read. A programmer needs to know what they want to do, translate that into what a computer can do (if it can do it), translate that into a set of codes that will command the computer to do what you want it to, write that set of code and then spend your time debugging it to make sure you did it right. You use libraries of code as your basic tools to get this done to save you a bunch of time.
Wolfram programming language also has a very large library of code, but the focus is on human knowledge rather than as an interface between a human and the inner-workings of a computer. Part of its concept is that Wolfram will know things you also know either because all of the code for it has already been written for it to know (like someone taking the time to define all the countries of the world on a map in a way that a computer can understand and reference, as in the example in the article), or it can (theoretically) find out. Instead of doing all the grunt work yourself, you basically do a specialized Google search that is trained to return what you want and automatically implement it.