397. Trade or business.

A covenant not to carry on any 'trade' has been held to refer only to a business conducted by buying and selling1. The word 'business' extends the covenant to all cases where work, involving the recourse of numerous persons to the premises, is done for payment2, or even without payment where the result is in effect the same as if a charge were made3. The making of profit is not essential to constitute a business; nor does payment necessarily constitute one4. A covenant against affixing any outward mark of business is broken by exhibiting the name of a firm