Definitions:
an act of hitting or striking someone or something; a blow

a mark made by drawing a pen, pencil, or paintbrush in one direction across paper or canvas

an act of moving one's hand across a surface with gentle pressure

each of a series of movements in which something moves out of its position and back into it

a sudden disabling attack or loss of consciousness caused by an interruption in the flow of blood to the brain, especially through thrombosis

move one's hand with gentle pressure over (a surface), typically repeatedly; caress

act as the stroke of (a boat or crew)

hit or kick (a ball) smoothly and deliberately