Hi there
👋, so there's settings like ISO - it's is how camera measure how sensitive sensor is to light the higher ISO means camera is more more sensitive to light and can get more light better for low light shots.
Speed- is the shutters speed to know how long it stays open to let camera light in fast one is for let's say sports or cars movement, slow more blurry if you want to get more artistic shots
EV corresponds to actual combinations of shutter speed and aperture setting.
Focus- where you want it to be focused
WB- white ballance to adjust cameras colour temperature