QMS: Queue management is the process of improving your business by managing customer’s waiting experience. As explained in the article How to manage customers’ waiting experience, there are two types of waiting time. The actual time between the customer first decides to get something until they have it.
Digital Signage: Digital signage is a segment of electronic signage. Digital displays use technologies such as LCD, LED, projection and e-paper to display digital images, video, web pages, weather data, restaurant menus, or text.
Appointment: An arrangement for a meeting