The term 'checkout count' is a job description for someone who is responsible for counting the ITEMS that customers purchase at a store. This person is responsible for ensuring that the correct number of ITEMS are being purchased and that the customer is charged the correct amount. They also need to make sure that the ITEMS are properly scanned and that any discounts or coupons are applied correctly. The job requires accuracy and attention to detail in order to ensure that the customer is satisfied with their purchase.