When you walk, you move forward by putting one foot in front of the other in a regular way.

A walk is a journey that you make by walking, usually for pleasure.

A walk of a particular distance is the distance which a person has to walk to get somewhere.

A walk is a route suitable for walking along for pleasure.

A walk is the action of walking rather than running.

Someone's walk is the way that they walk.

If you walk someone somewhere, you walk there with them in order to show politeness or to make sure that they get there safely.

If you walk your dog, you take it for a walk in order to keep it healthy.