definition of a tide?

A.The continuous, directed movement of water often generated by the wind
B.The periodic rise and fall of sea levels caused by the gravitational pull of the Moon and, to a lesser extent, the Sun
C.A wave breaking on the shore
D.The way the Sun impacts the direction of weather over the sea

B. The periodic rise and fall of sea levels caused by the gravitational pull of the Moon and, to a lesser extent, the Sun.