HomeWeb Basics → Glossary

ico50-ajaxModern Website- and Multimedia technology mix, which combines → XML, → Javascript and other technologies. AJAX allows content changes on a web page, withoud the need of reloading the page. Examples: Accordeon menus and tabbed contents, ads with “click away” function, websites with dynamic sorting options, facebook with individualized and configurable news feed, and many more.

Bit und Byte
ico50-bitbytBit is a term for a binary information such as “0” or “1”. Bytes are a group of bits, and, depending on the hardware, mostly 8 bits, or a square number of eight. A byte is used to encode one single character of a text.

Comes from Web-log. Website, which allows user to publish content without programming or other particular technical knowledge. See also → Web 2.0

A software to display websites and their contents.

ico50-captchaCommon technology to prevent web forms from spamming. Users must type in visual or audio contents to be verified.


ico50-cmsContent Management System. Software to maintain and update websites; also for users without programming or other particular technical knowledge. Known CMDS are WordPress, Blogspot, Typo3, Joomla, Mambo, MODx, and others.

User related informations left by websites in the browser of a user.

ico50-CMYKSubtractive color mode based on the colors Cyan/Magenta/Yellow/Key (Black). Used for four-color ofset printing.


ico50-css3Cascading Style Sheet. Stile language used in → HTML und → XHTML and other document formats. Allows the splitting of design from programming and content.


Dots per inch. Unit for the resolution of digital pictures. Web contents have 72 dpi mostly, print formats can vary from below 100 dpi (XXXL large posters) to 300dpi (high gloss magazines) or even more (banknotes).

A domain name uniquely identifies an Internet Protocol (IP) resource such as a web site on the Internet. Domains are based on the Domain Name System (DNS). Typically a domain name is followed by a top-level-domain like .com, .net, .org, .ch, etc.

Email: To, CC, BCC
Various email recipients
To: direct recipient
CC: (Carbon Copy) co-recipient (visible for to, cc, bcc)
BCC: (Blind Carbon Copy) co -recipient (NOT visible for to, cc, bcc)

Smilies created with characters 😉 🙂 😀 😛 😐  Many applications – like the WordPress software, here – automatically transform them into graphics. (See the wordpress emoticon short codes here)

Small icon at the left of an → URL (in the browsers adress lines), and also in tabs and bookmark menus:

Frequently Asked Questions

Set of lettering characters. E.g. Helvetica, Arial, Courier.

ico50-ftpFile Transfer Protocol. Protocol for data exchange over the internet.


“Graphics Interchange Format” – compressed graphic format. Used for graphics with mostlymonochrome character. Can contain a sequence of pictures and is then called animated gif (though it’s the same format as gif). Supports transparency but not alpha channels.

Graphical User Interface, often also called UI, only. Surface for user interaction with fingers, mouse, keyboard, jogdials and others.

Hyper Text Markup Language. The basic script language for websites. HTML is executed on the user-side (by the browser).

ico50-html5Is the latest major revision of the →HTML standard, currently becoming the new standard. Like its immediate predecessors, HTML 4 and →XHTML 1, HTML5 is a standard for structuring and presenting content on the World Wide Web. The new standard incorporates features like video playback and drag-and-drop that have been previously dependent on third-party browser plug-ins such as Adobe Flash, Microsoft Silverlight and others.

ico50-httpHyper Text Transfer Protocol. A networking protocol for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web

A reference to a web based document that the reader can directly follow, or that is followed automatically.

Instant Messenger
Software for instant chatting. Mostly by text, but also by video/audio. Often implemented in other software or services (Whatsapp, Skype, etc.)

ico50-jsScripting language to enhance → HTML pages. More powerful than html.


ico50-jpgCompressed picture data format suited for photographs.


MP3 (also AAC)
mp3_Compressed audioformat.


Compressed videoformat.

ico50-phpHypertext Preprocessor is a scripting language that was designed for web development to produce dynamic web pages. PHP code is embedded into HTML and interpreted by a web server, which generates the web page document.

Portable Network Graphics, lossless data format. Supports transparency and alpha channels (when used in 24 bit mode).

A business or organization that offers access to the internet and related services.

ram_chipRandom Access Memory. Random-access memory (RAM) is a form of computer data storage, mostly meant is the working memory of a system.


ico50-RGBAdditive color mode, based on red green blue, suited for monitor / light driven displays. See also → CMYK.


Read Only Memory. Data stored in ROM cannot usually be modified. Examples: CD-ROM.

rss-logoRSS Feed
“Really Simple Syndication” web feed formats used to publish frequently updated works – such as blog entries, news headlines, audio, and video – in a standardized format. Getting outdated these days…

Unsolicited or undesired electronic messages.

unixComputer Operating System, originally developed in 1969. Still used as base for other OS’s, like MacOSX, Linux and derivates like iOS and Android.


Uniform Resource Locator that specifies where an identified resource is available. The best-known example of a URL is the address of a web page on the World Wide Web, e.g.

ico50-usbUniversal Serial Bus. A specification to establish communication between devices and a host controller (usually personal computers). Actually available in the version 3.0 SuperSpeed (4000Mbits = 500MB/s). An USB-Stick is an external mini harddisk with USB connection.

ico50-voipVoice over Internet Protocol – telephone by internet. Makes telephone calls free if there is a → WLAN (WiFi) available. Samples: Skype (de facto market leader), FaceTime (on iOS devices).

WLAN (also called WiFi)
ico50-wlanWireless Local Area Network


XML stands for EXtensible Markup Language. XML is a markup language much like HTML, but was designed to carry data, not to display data.

ziplogo“.zip” is the most popular cross-platform format for compressed files. “to zip something” has become a synonym for “compress someting”.

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