IST will use the air time -- some of it during prime time viewing hours -- for the promotion and sales of a variety of products, mostly consumer goods, but also industrial and commercial products, Swan said.
First class is the most luxurious travel class of seats and service on a train, passenger ship, airplane, bus, or other system of transport. It is usually more expensive than business class and economy class, and offers the best service and luxurious accommodation. 1 Aviation.
second class. noun. Definition of second class for English Language Learners. : a level of service on a train, ship, etc., that is just below first class. : a class of mail in the U.S. that includes newspapers, magazines, etc. : a class of mail in the UK that costs less and takes longer to arrive than first class.