In marketing, a promotion refers to a temporary action designed to boost sales in the short term. Various promotional techniques are used to achieve this goal, such as gifts, contests, discount coupons, samples, trial offers, and sales. These practices are widespread in the retail sector and contribute on average to 15% of food sales. It is important to note that these promotional activities are subject to strict regulations established by law. For more examples and details regarding promotions, please refer to the specific illustrations.