1. parallelism, running parallel (to, with)
2. running concurrently, occurring at the same time, keeping pace with
3. not reaching an agreement (e.g. of a debate)
1. to stream, to flow (liquid, time, etc.), to run (ink)
2. to be washed away, to be carried
3. to drift, to float (e.g. clouds), to wander, to stray
4. to sweep (e.g. rumour, fire), to spread, to circulate
5. to be heard (e.g. music), to be played
6...
