
B2C
Direct-to-consumer or business-to-consumer is the business model of selling products directly to customers and thereby bypassing any third-party retailers, wholesalers, or any other middlemen.

B2B
Business-to-business is a situation where one business makes a commercial transaction with another. This typically occurs when: A business is sourcing materials for their production process for output, i.e. providing raw material to the other company that will produce output.

Headless
Headless commerce is an e-commerce architecture where the front-end is decoupled from the back-end commerce functionality and can thus be updated or edited without interfering with the back-end, similar to a headless content management system. The term was coined by Dirk Hoerig, co-founder of Commercetools, in 2013.

Storefront
An ecommerce storefront is an online solution for business owners to advertise and sell products and services over the internet. Ecommerce (or electronic commerce) makes the exchange of goods and services a streamlined process by allowing customers to conveniently browse products, place orders, and initiate deliveries all through an electronic device.

API
An application programming interface is a way for two or more computer programs to communicate with each other. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how to build or use such a connection or interface is called an API specification.

Offline to Online
Offline to Online (O2O) is a phrase used in digital marketing that relates to the call to action for users or customers to perform an action from the digital (online) space in the physical (offline) world.

Commerce-as-a-Service
A full-stack ecommerce technology package available as a service for rapid deployment and continuous optimization. Put simply, commerce-as-a-service is a powerful, all-in-one ecommerce platform designed specifically to help brands achieve the same level of selling power as their major enterprise competitors.