This meaning refers to assuming control or responsibility for a task or event.

This usage involves overseeing activities or people, ensuring that everything runs smoothly.

This meaning indicates the act of leading or conducting a formal meeting or ceremony.

This implies maintaining or enforcing a principle or standard, often in a moral or legal context.

This emphasizes advocating or representing a particular principle or cause.

This signifies being the main presenter or facilitator of a broadcast program.

This term is specifically used in the context of television journalism, referring to the main news presenter.