Referring to a route or direction that is towards the bottom or lower status.

नीचे की ओर

English Usage: The downbound train arrived late at the station.

Hindi Usage: नीचे की ओर जा रही ट्रेन स्टेशन पर देर से पहुंची।

Describing something that is moving or directed downwards.

नीचे की ओर बढ़ने वाला

English Usage: We took the downbound elevator to the ground floor.

Hindi Usage: हमने ग्राउंड फ्लोर तक जाने के लिए नीचे की ओर बढ़ने वाले लिफ्ट का इस्तेमाल किया।

Used in the context of lowering something or causing to move downwards.

नीचे लाना

English Usage: The workers downbound the materials from the truck.

Hindi Usage: मजदूरों ने ट्रक से सामग्री नीचे लाई।