concerned with commerce. television or radio advertisement.

Work that a person does to assist others. To help or do work for someone, e.g. in a store.

To stop something from happening or existing.

officially agreed or accepted as satisfactory. To formally accept something or grant permission.

In an efficient manner.

set of things working together as parts of mechanism. Sets of organized planned ideas that work together.

To make something, e.g. a skirt, shorter.

relating to merchants or commerce. wholesale trader.

Without question; beyond doubt.

relatively fast warship larger than destroyer and less heavily armed than battleship. Large motorboats used for long pleasure journeys.

To regularly pay to receive a service.

large body of people united by common descent. Areas or regions controlled by a government and army.

(especially of work of art) produced specially to order. To hire someone, order work to be done for payment.

A planned piece of work for specific purpose. To show something on a screen using light.

new or inexperienced. point at which something begins. To do the first part of an action; to start.