Sales closing techniques are strategies used by sales professionals to encourage potential customers to make a purchase. These techniques can include methods like the assumptive close, where the salesperson assumes the buyer is ready to purchase, or the urgency close, which creates a sense of urgency by highlighting limited-time offers. Another common technique is the summary close, where the salesperson summarizes the key benefits of the product or service before asking for the sale. Each technique aims to address customer concerns and facilitate a smooth transition from interest to commitment, ultimately increasing sales success.