broadcasting

To transmit a message or signal through radio waves or electronic means.

To transmit a message over a wide area; specifically, to send an email in a single transmission to a (typically large) number of people.

To appear as a performer, presenter, or speaker in a broadcast programme.

To sow seeds over a wide area.

The business or profession of radio and television.

“Broadcasting can be a lucrative field, but very few people end up on the air.”

The act by which something is broadcast.

“frequent broadcastings of the same old material”

Sending in all directions.