Three dogs racing madly around a racetrack .
Several dogs walk around a path .
Three dogs racing madly around a racetrack.
Several dogs walk around a path.
Several dogs usually means more than three. Racing madly is much faster than a walk. A racetrack is more clearly marked than a path.
Several dogs usually means more than three . Racing madly is much faster than a walk . A racetrack is more clearly marked than a path .