noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'
going side-by-side; running parallel
Describes physical movement or alignment where two or more things proceed next to each other, such as vehicles, people, or lines.
二台の車が並行して走っている。
Two cars are running side by side.
この道は線路と並行して
This road runs parallel to the railway tracks.
noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'
concurrent; simultaneous; keeping pace
Used for events, processes, or tasks that happen at the same time or progress together, often with a nuance of coordination or balance.
複数のプロジェクトを並行して進めるのは大変だ。
It's tough to advance multiple projects concurrently.
経済成長と環境保護を並行して考える必要がある。
We need to consider economic growth and environmental protection in parallel.