Terminology

See https://www.mediawiki.org/wiki/Extension:Lingo for info

ABBR: Abbreviation
AJAX: Asynchronous JavaScript and XML = A means to exchange data with a server without loading a whole new page.
API: Application Programming Interface
APT: Advanced Package Tool. Created by the Debian project.
ASP: Application Service Provider; Application Server Pages - an old technology by Microsoft
ATM: Automated Teller Machine (please don't call it an 'ATM Machine', that's redundant)
BLU: Boston Linux & Unix = a Linux User Group in Boston, MA, USA with roots that go back into the days of Unix before Linux was a thing
BMW: Bavarian Motor Works = German car company
coax: coaxial cable
CSS: Cascading Style Sheets = A technology that deals with the presentation of content on the web
DKIM: DomainKeys Identified Mail = An IETF specification that combats SPAM on the Internet
DNS: Domain Name System. An Named Host to IP Address lookup system
DPL: Dynamic Page Lists = Like a Cuisinart food processor, it allows you to slice and dice the contents of your wiki.
DRM: Digital Restrictions Management = Electronic methods to control what you can and can't do.
EFF: Electronic Frontier Foundation https://eff.org
FOSS: Free Open Source Software. An attempt to communicate the 'freedom' aspect of free software de-emphasizing the price connotation of 'free'.
FLOSS: Free / Libre Open Source Software = Another attempt to de-emphasize the price connotation of 'free' and instead recognize that free means liberty.
FSF: Free Software Foundation. fsf.org
FUBAR: F*cked Up Beyond All Recognition
FUSE: Filesystem in User Space
GAFYD: Google Apps For Your Domain
GNHLUG: Greater New Hampshire Linux User Groups = an association of User Groups in and around the state of New Hampshire, USA of people interested in Linux technology and/or those who created it in the first place; and continue to this day.
GNU: Gnu's Not Unix, because Unix is proprietary software while Gnu is software that respects your freedom.
GPL: General Public License = A sane copyright license
HHVM: HipHop Virtual Machine = a PHP interpreter created at Facebook as an alternative to the Zend Engine interpreter. http://hhvm.com/
HTML: HyperText Markup Language = structured text that uses logical links (hyperlinks) between nodes containing text.
HTTP: HyperText Transfer Protocol = the foundation of data communication for the World Wide Web. See HTML
HTTPS: HTTP Secure = HTTP using SSL or the newer TLS
IANAL: I Am Not A Lawyer = but I'll play one on the Internet
IETF: Internet Engineering Task Force = organization to make the Internet work better
IP: Internet Protocol. An IP Address is a host or device name in numeric form.
IPv4: Internet Protocol version 4
IPv6: Internet Protocal version 6
IPR: Intellectual Property Rights = A crazy idea that nonetheless is pervasive in the global legal system. See Also: GPL
IRL: In Real Life = A TLA used when 'virtual' was a thing. Now the virtual has permeated 'meat space' and so the two are not so distinct.
ISBN: International Standard Book Number = 10-digit or 13-digit codes used by the publishing industry to uniquely identify individual book titles and editions. Some 10-digit ISBNs may end with an "X" instead of a digit.
JS: JavaScript = A computer language.
JSON: JavaScript Object Notation = A data representation format in JavaScript
KIO: KDE Input/Output slaves
LUG: Linux User Group = a general term whereas a specific LUG will often have a geographic focus
MOTD: Message Of The Day = MOTD
NPM: Node Packaged Modules = a package manager for the Nodejs system
NSFW: Not Safe For Work
OASIS: Organization for the Advancement of Structured Information Standards = a global standards organization
OOP: Object Oriented Programming = hard to define. See OOP.
OOUI: Object Oriented User Interface mw:OOUI
ORM: Object Relational Mapping = a database approach
PDF: Portable Document Format = a widely used standard for representing documents electronically and print. PDF
PEAR: PHP Extension and Application Repository = a collection of code started in 1999 to enhance the utility of PHP.
PHAR: PHP Archive = a distribution format. See https://secure.php.net/manual/en/intro.phar.php
Phishing: attempt to acquire sensitive information such as passwords or credit card details by masquerading as a trusted party.
PHP: PHP is the HyperText Preprocessor = the most popular programming language for the web
Pod: A Pod (as in a pod of whales or pea pod) is a group of one or more containers , with shared storage/network resources, and a specification for how to run the containers. https://kubernetes.io/docs/concepts/workloads/pods/
POTD: Picture Of The Day
POTY: Picture Of The Year
PRURL
PRURLs: Protocol Relative URL. Starts with '//' instead of 'HTTP(S)://'
PSR-1: PHP Standard Recommendation 1
PSR-2: PHP Standard Recommendation 2
Regex: Regular Expression = a search and replace syntax that allows for powerful pattern matching
RSS: Really Simple Syndication = a syntax for sharing data across the web.
SCM: Software Configuration Management
SEO: Search Engine Optimization
SPAM: unsolicited bulk email
SPF: Sender Policy Framework
SMW: Semantic MediaWiki = See Metadata
SSL: Secure Sockets Layer = secure (encrypted) underpinning for HTTP
TLA: Three-Letter Acronym
TLS: Transport Layer Security
UOP: User Operation Prohibition = things you're not allowed to do with a DVD, like skip the FBI warning w:User operation prohibition
UPO: User Preference Option = things that you can set in your "preferences". Special:Preferences
URL
URLs: Uniform Resource Locator = an address of a web page or other component, including the protocol.
VCS: Version Control System
VE: Visual Editor
WMF: WikiMedia Foundation = the organization which runs various projects including Wikipedia.org
WOFF: Web Open Font Format
WWW: World Wide Web = the part of the Internet where websites and documents can be found via HTTP or HTTPS.
XML: Extensible Markup Language = a system for markup such that you can create your own 'schema' of terms rather than a specific markup language.