B2B stands for Business-to-Business and it's when a company is offering a product or service to other companies. B2B technology is also sometimes referred to as enterprise technology.
B2B2B stands for Business-to-Business-to-Business. For example, when a company sells to another company through a third-party company.
B2B2C stands for Business-to-Business-to-Consumer. Think Facebook, for example: it has an element of B2B and B2C because companies can access user data on the platform and advertise to consumers.
B2C means you offer your products or services to other consumers (Business To Consumer). In short, it's when a company sells things to other consumers. For example, an ecommerce company selling items to consumers.
The Back-End (or “server-side”) is the portion of the website you don't see. It's responsible for storing and organising data, and ensuring everything on the client-side (Front-End) actually works. The Back-End communicates with the Front-End, sending and receiving information to be displayed as a web page which you can interact with.
A Back-End Developer is responsible for server-side web application logic. Back-End Developers usually write the web services and APIs used by Front-End Developers and mobile application Developers.
A backlog is a list of tasks required to support a larger strategic plan. It contains a prioritised list of items that the team has agreed to work on next. Typical items on a product backlog include user stories, changes to existing functionality, and bug fixes.
Blitzscaling is what you do when you need to grow really, really quickly. It's the science and art of rapidly building out a company to serve a large and usually global market, with the goal of becoming the first mover at scale.
A blocker might be an issue or bug which you have come across during development or testing and which is not allowing you to develop or test further. In short, a blocker is stopping another action from happening.
A company is bootstrapped when it is funded by an entrepreneur's personal resources or the company's own revenue. Evolved from the phrase "pulling oneself up by one's bootstraps".
Burn rate describes how fast you go through your cash. This could be measured in a weekly, monthly or yearly rate.