The brake light can be triggered from something as simple as your parking brake being engaged to more serious issues stemming from loss of brake fluids.
This light means your oil pressure or oil level is low. Either way, you'll want to check your oil as soon as possible
This light indicates that there is an issue either with your battery or vehicle's electrical system
ABS - Anti-Lock Braking System
While braking in slippery or hazardous conditions, this system prevents your vehicle from skidding out of control - by keeping your wheels from locking up.