There are four broad classes in an airline.
Economy Class – This class offers the best value for money and often includes benefits such as complimentary meals and beverages.
Premium Economy Class – This class bridges the gap between Economy Class and Business Class comforts, with premium seating and various other benefits.
Business Class – Space and convenience are the key features of Business Class cabins, enabling passengers to continue working while being on board.
First Class – This class travel offers more space, premium menus and large seats that generally convert to flat beds for optimal comfort.