Meta, Super and Hyper are modifier keys that modify the key's function. They are specific to the Symbolics Space Cadet Keyboard used on Lisp machines back in the day. Their function is sometimes emulated using other keys. Meta The Meta key is not found on modern keyboards. Its use is sometimes emulated with AltGr (on some international layouts) or the right Alt key on the others. In addition: Sun keyboards have a meta key (â) as well Emacs calls Esc the Meta key Super The Super key is equivalent to or the â (command) key. In Ubuntu, it's just another name for . Hyper Hyper is the fourth (counting Ctrl) and last modifier on the Space cadet keyboard.
The photos (via MacRumors) show a battery with a 1,810 mAh capacity, which is a bit bigger than the iPhone 5s' 1,560 mAh battery. This isn't too surprising considering that the iPhone 6 is expected to feature a larger display with a higher resolution than that of the iPhone 5s.
Basically the bigger the iPhone is, the longer the battery will last since there is more room for the battery. In this sense, iPhone 7 Plus is supposed to have the longest battery performance. The 7, it has the best ratings apple gave to any of their smart devices.