What is a payment gateway?

Question: I just launched my online store and my customers are paying through Shopify for their orders. I came across the term "payment gateway". What does it mean?

Answer: A payment gateway is a system used by the customers to pay for their orders from your online store. You can use the Shopify system or set up other payment systems to authorize and receive payment for your online business. To learn more about this, check this article.