(r)along, onwith a forward motion“we drove along admiring the view”, “the horse trotted along at a steady pace”, “the circus traveled on to the next city”, “move along”, “march on”
(r)alongin addition (usually followed by `with')“we sent them food and some clothing went along in the package”, “along with the package came a bill”, “consider the advantages along with the disadvantages”
(r)alongin line with a length or direction (often followed by `by' or `beside')“pass the word along”, “ran along beside me”, “cottages along by the river”