1. Income (at invoice values) received for goods and services over some given period of time
   "The retailer's gross sales hit a record high during the holiday season";
   - gross sales, gross revenue
    
2. The business of selling goods or services
   "He's likable and motivated: perfect for a career in sales"

1. The general activity of selling
   "they tried to boost sales"; "laws limit the sale of handguns"
    
2. A particular instance of selling
   "he has just made his first sale"; "they had to complete the sale before the banks closed"
    
3. An occasion (usually brief) for buying at specially reduced prices
   "I got some great bargains at their annual sale"; "they held a sale to reduce their inventory";
   - cut-rate sale, sales event
    
4. The state of being purchasable; offered or exhibited for selling
   "you'll find vitamin C for sale at most pharmacies"; "the new line of cars will soon be on sale"
    
5. An agreement (or contract) in which property is transferred from the seller (vendor) to the buyer (vendee) for a fixed price in money (paid or agreed to be paid by the buyer)
   "the salesman faxed the sales agreement to his home office";
   - sales agreement

Sounds like:

Type of: agreement, income, merchantability, occasion, understanding

Encyclopedia: Sales, Sarine