the part of something that is farthest from the front

the final part of a process or the back part of a building

प्रक्रिया का अंतिम भाग

English Usage: The back end of the project is crucial for its success.

Hindi Usage: प्रोजेक्ट का अंतिम भाग इसकी सफलता के लिए महत्वपूर्ण है।

to support or to give assistance

समर्थन करना

English Usage: We need to back the new policy for it to succeed.

Hindi Usage: हमें नई नीति का समर्थन करना होगा ताकि यह सफल हो सके।