written notice

Opposites
communication medium

written noticephone call

Remote voice conversation

verbal warning · word of mouth · oral communication · verbal communication · verbal agreement

formality and documentation

written noticeverbal agreement

Spoken mutual commitment

tacit understanding · handshake deal

explicitness of communication

written noticesurprise

Unexpected event causing astonishment

without warning · ambush · blindsiding · silence · fait accompli

Familiarity
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