Read the dictionary definition of along. All definitions for this word.
1. with a forward motion
1. we drove along admiring the view
2. the horse trotted along at a steady pace
3. the circus traveled on to the next city
4. move along
5. march on
2. in accompaniment or as a companion
1. his little sister came along to the movies
2. I brought my camera along
3. working along with his father
3. in addition (usually followed by `with')
1. we sent them food and some clothing went along in the package
2. along with the package came a bill
3. consider the advantages along with the disadvantages
4. to a more advanced state
1. the work is moving along
2. well along in their research
3. hurrying their education along
4. getting along in years
5. in line with a length or direction (often followed by `by' or `beside')
1. pass the word along
2. ran along beside me
3. cottages along by the river
