for your information
- noticeBecome aware of
- memoBrief internal message
- updateNew version or information
- briefingConcise information session
- alertWarning or watchfulness
advisory · note · reminder · announcement · disclosure · tip-off · word to the wise · newsflash · bulletin · intel · scoop · lowdown · passive-aggressive · email · CC · paperwork · bureaucracy · fine print
tone/attitude
for your informationwith all due respect
Polite disclaimer before disagreeing
in my humble opinion · no offense but · open question · for what it's worth · just wondering