On traffic lights it means slow down.
You cannot drive in this lane.
After stopping, you may turn right, unless prohibited by some other sign or signal.
A traffic signal displaying a steady circular yellow light means that you should use caution when going through the intersection. You have the right away, but watch for other cars.
Diaphragm
They're an additional feature to focus your attention towards the traffic light. The human eye is quicker to catch a flashing light than a steady light.
clear for landing or takeoff.
stop or give way.
A red light - steady or flashing - means STOP. A steady amber light means Caution - signal about to change. A flashing amber light means SLOW DOWN.
You cannot drive in this lane.
On traffic lights it means slow down.
A steady blue flame with no white or yellow flickering.
Power supply or motherboard is bad.
The battery isn't being charged
After stopping, you may turn right, unless prohibited by some other sign or signal.
If the aircraft is in flight, a steady green light signal from the control tower means cleared to land. If the aircraft is on the ground, it means cleared for takeoff. If the light is aimed at ground vehicles or foot traffic, steady green means cleared to cross the runway, or proceed.
A traffic signal displaying a steady circular yellow light means that you should use caution when going through the intersection. You have the right away, but watch for other cars.