Which type of wave is described as a wave that is not confined to the space along medium? standing wave vibration shifting wave traveling wave

Traveling wave is a wave that is not confined to the space along medium.

traveling wave is a wave that travels along the medium causing disturbance. instead of vibrating at the same place, the particles actually move in the direction of wave. one common example of such type of wave is ocean waves.

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.