describing something that has a point or edge like a cusp

धार

English Usage: The design features a one cusped shape.

Hindi Usage: डिजाइन में एक धारदार आकार है।

referring to a single unit or instance

एक

English Usage: She has one apple.

Hindi Usage: उसके पास एक सेब है।

used to emphasize a unit or singular action

एक बार

English Usage: He can do it one time only.

Hindi Usage: वह यह एक बार ही कर सकता है।