Originally Posted by
Endus
The "complex" terms are simply more specific and accurate. They're not in popular use because popular language tends to find shortcuts and such, which is the enemy of accuracy and specificity. You wouldn't try and build a rocket by saying "eh, that part should be something like 5 finger lengths long", because that's not nearly accurate enough. Same difference.
If the high-end stuff is too complex for you to grasp, it's because you haven't learned enough of the basics. It's like trying to argue that calculus is arcane and mystic lies, just because you've never learned anything beyond basic addition. It isn't; calculus is entirely rational, you're simply describing how you, personally, don't understand it.