Apple Pay is a mobile payment and digital wallet service by Apple that lets users make payments using the iPhone 6, 6 Plus, iPhone SE, and later, Apple Watch-compatible devices (iPhone 5 and later models), iPad Air 2, iPad Pro and iPad Mini 3 and later and Mac (src Wikipedia).
Target is a discount retailer selling apparel, shoes, jewelry, beauty products, furniture, electronics, and grocery. Target is the second largest discount retailer in the United States.
Expedia is an online travel company. Expedia can be used to book airline tickets, car rentals, hotels, and vacation packages. Expedia.com is marketed toward both leisure and business travelers.