Web servers are computers used to store websites, online apps, documents, pictures or other data, and can be accessed through the Internet by way of applications like web browsers or file transfer protocol (FTP) clients. When you visit a website with the browser on your computer or phone, you are requesting it from a web server.

Software is a program or set of instructions that tells a computer, phone or tablet what to do. Software includes individual applications (web browsers or word processors) as well as system software like operating systems (Microsoft Windows), drivers (software that allows operating systems to communicate with hardware like printers) and utilities (tools like anti-virus programs or hard drive defragmenters).

Wireframes are sketches of the key information that goes on each page of a website, essentially showing the site or page’s “skeleton.” Designers can then use this sketch as a starting point for laying out a website.

UX describes the emotions, attitudes and ease-of-use a person has when using a product or service. UX Design is the practice of using design to improve communication between a product and its user in order to enhance the user’s overall experience.

User interface includes all the parts of a website, app, computer, smartphone, etc. that the user can manipulate and interact with. Display and touch screens, website menus, keyboards, your cursor—these are all part of a user interface.

Sitemaps are outlines or maps of the pages that make up a website. They show the relationship between the pages and links, apps, videos, or other components, and can take the form of a document or its own page on the website.

The trademark for a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached.

A URL (colloquially termed a web address) is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it.

An information system where documents and other web resources are identified by URLs, such as https://www.discoverpassenger.com, which may be interlinked by hypertext, and are accessible over the Internet. The resources of the WWW are transferred via the Hypertext Transfer Protocol (HTTP) and may be accessed by users by a software application called a web browser.

The Internet is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a network of networks that consists of private, public, academic, business and government networks, linked by a broad array of electronic, wireless, and optical networking technologies. The Internet carries a vast range of information resources and services, such as applications of the World Wide Web, e-mail and file sharing.

Internet is a proper noun, as there is only one, and is spelt with a capital I.