A child of five would understand this. Send someone to fetch a child of five.
A foolproof method for sculpting an elephant: first, get a huge block of marble, then you chip away everything that doesn't look like an elephant.
In case you didn't know, the ending song Still Alive, though sang by Ellen McLain (a.k.a.: GLaDOS), it's composed by Jonathan Coulton, a part-time artist/composer and full-time geek. He has composed and interpreted numerous songs, most if not all of humorous and geeky nature.
Here's him performing the famous Portal song:
And here he is again, though this time surrounded by zombies:
You can find more songs in his site, though not all are free. Hope you enjoy them