Account
An account is the profile you create to sign in and use a service. It usually stores your login details, settings, and activity tied to your use of the platform.
Related terms: sign in, password, profile, security settings.
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Core glossary terms
The definitions below focus on common items people run into across major services. They are not tied to one brand or app, because the same idea can appear in many places with different labels.
Authentication
Authentication is the process of confirming you are really you when you sign in. It can be a password, a code sent to your phone, or an app-based approval.
Related terms: two-factor authentication, login code, passkey.
Cookie
A cookie is a small piece of data stored by your browser to help a site remember things like your language choice, whether you are signed in, or what pages you visited.
Related terms: tracking, consent, analytics, personalized advertising.
Encryption
Encryption is a way of scrambling information so that only authorized parties can read it. It is commonly used when data moves between your device and a website.
Related terms: HTTPS, secure connection, privacy, data protection.
IP address
An IP address is a number that helps route internet traffic to and from your device. It can sometimes indicate a general location area, but it does not directly identify a person on its own.
Related terms: device identifier, network, geolocation, server logs.
Permission
A permission is an approval you give an app or website to access something on your device or account, such as your location, photos, microphone, or contacts.
Related terms: settings, privacy controls, access, notifications.
Privacy settings
Privacy settings are controls that let you choose what data is shared, who can see your content, and how the service uses information for features like personalization.
Related terms: visibility, data sharing, cookie preferences, opt-out.
Remarketing
Remarketing is an advertising method that shows ads to people who previously visited a website. It is commonly used to measure interest and to present related information later on other platforms.
Related terms: marketing cookies, ad personalization, conversion tracking.
Usage data
Usage data is information about how people interact with a site or app, such as pages visited, time spent, and which buttons were clicked. It is often used to improve design and content.
Related terms: analytics, events, session, performance measurement.
Verification
Verification is a step that confirms an email address, phone number, or account action is valid. It can help prevent account abuse and ensure you can recover access later.
Related terms: confirmation code, recovery email, security checks.
Web browser
A web browser is the app you use to visit websites. It handles web pages, stores cookies, and offers tools like private browsing, saved passwords, and site permissions.
Related terms: cookies, cache, private browsing, extensions.
Phishing
Phishing is a type of scam that tries to trick you into sharing passwords or personal data by pretending to be a trusted service. It often uses urgent messages and links to fake sign-in pages.
Related terms: scam, spoofed email, suspicious link, account security.
How to interpret definitions on this page
Terms can be used differently depending on context. Our glossary aims to give a practical meaning that fits most everyday situations, then adds clues about where you might see the term and what it commonly affects. If a platform uses a similar term in a more specific way, the official help pages may add extra details. For learning and planning, start with the general definition here, then confirm any critical details in the service you are using.
If you want a structured explanation beyond a short definition, the Guides section expands the same concepts into clear sections, with examples and common settings users may encounter. The Resources section provides curated pathways to help you organize topics by goal, such as understanding account access or reviewing privacy choices.
Next step
Prefer a guided walkthrough? Visit Guides to read topic pages with clear headings and practical examples.
Explore GuidesDisclaimer
The information on this website is for informational and educational purposes only and does not constitute legal, financial, or professional advice. Online platforms and policies can change, and examples may not match every service or situation. You are responsible for verifying details with official sources and choosing actions that are appropriate for your circumstances.