First of all, let’s get the linguistic issue out of the way: that little curve in the letter Ç is called a cedilla and the letter itself is pronounced as an S, so the word “façade” is pronounced as fah-saad. The particularly pedantic among you are welcome to use the letter ç in your code, since compilers treat this just fine.1
Now, about the pattern itself… essentially, the best analogy I can think of is a typical house. When you buy a house, you generally care about the exterior and the interior. You are less concerned about the internals: electrical systems, insulation, ...
