Communication
Articles about communication systems, signals and exchange of information.
Diphthong
Diphthong (phonetics) — complex vowel glides
Discord
Discord (communication platform)
Discord (software)
Discord (software) — a cross‑platform communication platform
Discourse analysis
Disinformation
Disinformation: definition, methods, history and responses
Dje
Dogri language
Dogri language — an Indo‑Aryan tongue of the Jammu region
Dollar sign
Domaaki language
Dominican Spanish
Dominican Spanish: Features, History, and Social Use
Doric dialect (Scotland)
Doric dialect (Northeast Scots)
Dotted and dotless I
Dotted and dotless I: the Turkish letters İ and I
Dual-tone multi-frequency
Dual-Tone Multi-Frequency (DTMF) Signaling: How Telephone Touch-Tones Work
Dutton's Speedwords
Dynamic and formal equivalence
Dysphemism
Dzhe
Dzhe (Cyrillic letter Џ)
E Prime
E-mail attachment
Echolocation
Echolocation: biological sonar used by animals and its technological parallels
Ef (Cyrillic)
Ef (Cyrillic letter Ф, ф)
Egyptian language
Egyptian language: history, writing, and legacy
Ekiga
Ekiga: Free VoIP and Video Conferencing for GNOME and Windows
El (Cyrillic)
El (Cyrillic letter Л, л)
Electrical telegraph
Ellipsis
Ellipsis (three-dot punctuation)
Em (Cyrillic)
Em (Cyrillic letter М, м)
Emergency Alert System
Emergency Alert System (United States)
Emergency communication system
Emergency telephone
Emergency telephone number
Emission
Emoji
Emoji — origins, standards, and cultural impact
Emoticon
Emoticon: text symbols that convey emotion and tone
Endangered language
English language
English-speaking world
English-speaking world: distribution, varieties, history and global role
Envelope
Envelope (mailing container and document wrapper)
Er (Cyrillic)
Er — Cyrillic letter Р (uppercase) and р (lowercase)
Er with tick
Error detection and correction
Es (Cyrillic)
Estonian language
Estonian language (Eesti keel)
Euphemism
Exclamation mark
Explanation
Explanation: meaning, types, history and role in inquiry
Exposure
Exposure: meanings, contexts, and practical implications
Extensible Messaging and Presence Protocol
Extensible Messaging and Presence Protocol (XMPP)