To guide or direct.

मार्गदर्शन करना

English Usage: She will lead the project from start to finish.

Hindi Usage: वह परियोजना का मार्गदर्शन करेगी।

The position at the front or ahead in a race, competition, or hierarchy.

नेतृत्व

English Usage: The team took the lead in the championship.

Hindi Usage: टीम ने चैंपियनशिप में नेतृत्व किया।

Most important or prominent.

प्रमुख

English Usage: He is a leading expert in artificial intelligence.

Hindi Usage: वह आर्टिफिशियल इंटेलिजेंस का प्रमुख विशेषज्ञ है।