The Document Object Model (DOM) is a programming interface which provides developers with access to objects and elements of a webpage.
The Hypertext Transfer Protocol (HTTP) is the foundation of the internet and allows us to access information and services on the World Wide Web.
Primitive Datatypes are the most basic form of data and can be used to store and manipulate the data a program needs to operate.
A Uniform Resource Locator (URL) is a way of uniquely identifying and locating information on the internet.