Cases of word usage

1) to make something known to People by notices in newspapers, announcements on TV etc (advertise)

2) an announcement (in the Press, on TV etc) of something for sale, wanted etc (advertisement)

3) (also called antenna) a part of a radio or TV system which receives or sends out signal (aerial)

4) to send out (speech, music etc) by radio or TV (broadcast)

5) an apparatus used for taking photographs or for broadcasting TV programs etc (camera)

6) a person who gives a radio or TV commentary (commentator)

7) (to be) the presenter of a stage, TV or radio entertainment who introduces the performers, speakers etc (compere)

8) a play for the theatre, radio or TV (drama)

9) a person who edits (part of) a newspaper, book or film or a TV or radio programme (editor)

10) a tall pole for a flag, a ship's sails, a TV aerial etc (mast)