Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

Fewer Letters	More Letters
AP	WiFi Access Point
CA	(SSL) Certificate Authority
DNS	Domain Name Service/System
Git	Popular version control system, primarily for code
IMAP	Internet Message Access Protocol for email
IP	Internet Protocol
SMTP	Simple Mail Transfer Protocol
SSL	Secure Sockets Layer, for transparent encryption
TLS	Transport Layer Security, supersedes SSL
VPN	Virtual Private Network
VPS	Virtual Private Server (opposed to shared hosting)
XMPP	Extensible Messaging and Presence Protocol (‘Jabber’) for open instant messaging
k8s	Kubernetes container management package

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