Website — A collection of pages on the internet that people can visit using a browser.

Browser — The app you use to visit websites, such as Chrome, Safari, Firefox, or Edge.

Domain — The web address people type to visit a site, like example.com.

DNS — The system that turns website names into the internet addresses computers use to find them.

Server — A computer that stores, processes, or sends information to other computers.

Hosting — A service that stores a website’s files and makes the site available online.

URL — The full address of a specific web page or online resource.

HTML — The basic structure of a web page, like headings, paragraphs, images, and links.

CSS — The code that controls how a web page looks, including colors, fonts, spacing, and layout.

Firewall — A security tool that controls what traffic is allowed in or out of a network.

Malware — Harmful software designed to damage, steal, or disrupt data and devices.

Phishing — A scam that tries to trick people into sharing sensitive information, often through fake emails or messages.

MFA — Short for multi-factor authentication, an extra login step that helps protect accounts.

VPN — A tool that creates a more private connection between your device and the internet.

Encryption — A way of scrambling information so only authorized people can read it.

Vulnerability — A weakness in a system, app, or device that could be used by an attacker.

Patch — An update that fixes bugs, security issues, or performance problems.

API — A way for two apps, websites, or systems to communicate with each other.

Database — An organized place where information is stored and managed.

Front End — The part of a website or app that users see and interact with.

Back End — The behind-the-scenes part of a website or app that handles data, logic, and systems.

Bug — A mistake or problem in software that causes something to work incorrectly.

Repository — A place where code or project files are stored, often for collaboration.

GitHub — A platform where developers store, share, and collaborate on code.

Open Source — Software with code that is publicly available for people to view, use, or improve.

Cloud — Internet-based computing or storage instead of relying only on your personal device.

Virtual Machine — A computer that runs as software inside another computer or cloud system.

IoT — Short for Internet of Things, which means everyday devices connected to the internet, like smart watches, cameras, thermostats, and smart locks.

Network — A group of connected devices that can share information with each other.

Router — A device that directs internet traffic between your home or office network and the internet.

IP Address — A unique address that helps identify a device on a network.

Bandwidth — The amount of data that can move through an internet connection at one time.