ICDL Online Essentials key terms
ICDL Online Essentials · Get comfortable with the vocabulary.
- Web browser
- Related: URL, Tab, Bookmark
A software application used to request, download, and display web pages, allowing a user to move between sites and interact with online content.
- URL
- Related: Domain name, Hyperlink, Web browser
The unique address of a resource on the web, typically made up of a protocol, a domain name, and a path that points to a specific page or file.
- Domain name
- Related: URL, HTTPS
The human-readable part of a web address that identifies a website, such as the organisation name plus an ending like .com or .org.
- Hyperlink
- Related: URL, Tab
Text, an image, or a button that, when clicked, takes the user to another page, file, or section of a document.
- Tab
- Related: Web browser, Bookmark
A separate viewing area within a single browser window that lets a user keep several web pages open at once and switch between them.
- Bookmark
- Related: URL, History
A saved link to a web page stored in the browser so the user can return to it quickly without retyping the address.
- History
- Related: Bookmark, Cache, Cookie
A record kept by the browser of the pages a user has visited, usually with dates and times, which can be searched or cleared.
- Cache
- Related: Cookie, History
A store of temporary copies of web page files kept by the browser so pages load faster on later visits, which can become outdated.
- Download
- Related: Upload, Malware
The process of copying a file from a remote server to the user's own device, for example saving a document or an installer.
- Upload
- Related: Download, Attachment
The process of sending a file from the user's device to a remote server, such as attaching a document to a web form or cloud folder.
- Home page
- Related: Web browser, Tab
The page a browser is set to open when it starts or when the home button is pressed; it may also mean the main page of a website.
- Search engine
- Related: Keyword, Search operator, Search results
An online service that indexes web pages and returns a list of results matching the words or phrases a user enters.
- Keyword
- Related: Search engine, Search operator
A significant word or phrase typed into a search engine to describe the information the user is looking for.
- Search operator
- Related: Keyword, Search engine
A special symbol or word used in a query to refine results, such as quotation marks for an exact phrase or a minus sign to exclude a term.
- Search results
- Related: Search engine, Keyword, Sponsored link
The list of web pages returned by a search engine in response to a query, usually ranked by relevance and shown with titles and short summaries.
- Sponsored link
- Related: Search results, Phishing
A search result or advertisement that a business has paid to display, usually marked as an ad and placed near other results.
- Boolean search
- Related: Search operator, Keyword
A search technique that combines keywords with logical words such as AND, OR, and NOT to include or exclude terms and narrow results.
- Reliable source
- Related: Cross-check, Search results
A source of information whose author, publisher, and evidence can be checked, making its content trustworthy enough to cite or act on.
- Cross-check
- Related: Reliable source, Search results
The practice of confirming a piece of information by comparing it against two or more independent sources before relying on it.
- Related: Email address, Attachment, CC
A method of sending written messages and files over the internet to one or more recipients using an email address.
- Email address
- Related: Email, Domain name
A unique identifier for an email account, written as a user name, the @ symbol, and a domain name, such as [email protected].
- Attachment
- Related: Email, Malware, Upload
A file such as a document, image, or spreadsheet sent along with an email message and opened or saved by the recipient.
- CC
- Related: BCC, Email
A field used to send a copy of an email to additional recipients so that everyone can see who else received the message.
- BCC
- Related: CC, Email
A field used to send a copy of an email to recipients whose addresses are hidden from the other people receiving the message.
- Reply all
- Related: CC, Email
An email command that sends a response to the original sender and to every other recipient listed in the To and CC fields.
- Signature
- Related: Email, Attachment
A block of text automatically added to the end of outgoing emails, often containing the sender's name, job title, and contact details.
- Mailing list
- Related: Email, Netiquette
A single address that forwards a message to many subscribers at once, used to send announcements or newsletters to a group.
- Netiquette
- Related: Email, Mailing list
The accepted rules of polite and considerate behaviour when communicating online, such as avoiding all capitals and staying on topic.
- Password
- Related: Two-factor authentication, Phishing
A secret string of characters used to prove a user's identity and protect an account from unauthorised access.
- Two-factor authentication
- Related: Password, Phishing
A login method that requires two different proofs of identity, such as a password plus a one-time code sent to a phone.
- Phishing
- Related: Spam, Password, HTTPS
A scam in which a fake message or website tricks a person into revealing passwords, card numbers, or other private details.
- Spam
- Related: Phishing, Firewall
Unwanted bulk email, often advertising or fraudulent, sent to large numbers of recipients without their request.
- Malware
- Related: Antivirus software, Firewall, Attachment
Software designed to harm or exploit a device or steal data, including viruses, worms, spyware, and ransomware.
- Antivirus software
- Related: Malware, Firewall
A program that scans files and downloads for known harmful software, blocks it, and removes it from the device.
- Firewall
- Related: Malware, Antivirus software
A security tool that monitors network traffic and blocks connections that do not match the rules set to protect the device.
- HTTPS
- Related: URL, Phishing
A secure version of the web protocol that encrypts data between the browser and the website, shown by a padlock in the address bar.
- Cookie
- Related: Cache, History
A small file a website stores on the user's device to remember settings, logins, or browsing behaviour between visits.
- Digital footprint
- Related: Cookie, Netiquette
The trail of information a person leaves online through posts, searches, and website visits, which others may be able to find.