the initial or primary element in a sequence

the first in rank or importance

प्रमुख

English Usage: He is the first element in the team.

Hindi Usage: वह टीम में पहला प्रमुख है।

occurring before all others in time or order

first in a series or process

क्रम में पहला

English Usage: This is the first step in the process.

Hindi Usage: यह प्रक्रिया में पहला कदम है।