Do horizontal signs or white road markings have the same meaning as vertical signs?

Do horizontal signs or white road markings have the same meaning as vertical signs?
A)No, under no circumstances.
B)No, except for 'give way' and 'stop' signs.
C)Yes.Correct
Vertical signs have the same meaning as horizontal signs or white road markings. However, vertical signs take priority over road markings, so if in any case we encounter both types of signs and they contradict each other, we must obey the vertical sign.