Workers in this unit group compose written material to inform, entertain or influence the public. Their functions include: collecting, reporting and writing commentary on news and current affairs for publication or broadcasting; selecting, revising and arranging material for publication in newspapers and periodicals; assisting with editing of newspapers, magazines, trade journals and similar publications or specialised sections thereof; directing and supervising writers preparing programmes, continuity and scripts for screenplays and television and radio broadcasts; writing advertising copy; selecting, assembling and preparing publicity material for issue through press, radio, television and other media; designing and writing manuals, brochures, handbooks and similar technical publications; performing various related functions.