Along the side; by the side; side by side; abreast.

Side by side with. / Together with or at the same time.

By the length of; in a line with the length of; lengthwise next to. / In a line with, with a progressive motion on; onward on; forward on.

In company; together. / Onward, forward, with progressive action.

(transitive, intransitive) To move slowly.

(idiomatic) To accompany, join, or follow; to go with.

(intransitive, idiomatic, often followed by with) To interact or coexist well, without argument or trouble. / (idiomatic) To survive; to do well enough.

(transitive) To run quickly along somewhere. / (transitive) To break something into two pieces by separating at a line of perforations.

(duration, idiomatic) For the entire time; always.

Used other than figuratively or idiomatically: see all, along.