Handle System: DARPA, Public key infrastructure, IP address, Persistent Uniform Resource Locator, Granularity, Data type, Internet Engineering Task Force

Signaling System 7: Public Switched Telephone Network, ITU T, Internet Engineering Task...

Hebrew keyboard: E-mail address, Uniform Resource Locator, alphabet, Arabic Cyrillic punctuation, WAW, Cantillation

Mobile IP (or mobility): Internet Engineering Task Force, Protocol (computing), IPv4, IPv6,...

Public-key Infrastructure: Public key certificate, Cryptography, cryptography