What is "run along"

Usage examples of "run along".

Her own religious beliefs, insofar as she retained them from her mother's adherence to the African Methodist Episcopal Church, tended to run along conventional lines.

But the suspicions run along professional channels, not those of matters of state.

There were neither leaves nor roses on them now and Mary did not know whether they were dead or alive, but their thin gray or brown branches and sprays looked like a sort of hazy mantle spreading over everything, walls, and trees, and even brown grass, where they had fallen from their fastenings and run along the ground.