Physical Evidence
Refers to everything a customer sees when interacting with the business such as the physical environment where product or service is provided, store layout or interior design, packaging, branding and staff uniform.
People
Refers to people who make contact with the customers in delivering the product such as in-store staff, customer helpline staff and delivery staff.
Process
Refers to the process of shopping for the product to ordering and receiving the product and/or service offered by the company such as contact options, expected delivery time, return policy and refund process.