What is another name for “low-angle lighting”? side lighting top lighting under-lighting three-point lighting

Whats three fourths of 15(this is supposed to be in math but i clicked too fast)

How is the brightness of oled of the diaplay is controled

The camera still is bad even with the new iphone xr and especially in low light it is even worst because you can see the pixels more if its in low light. if all you apple customers want apple to fix this then lets fill there feedback with complaints about the