Noted
Acknowledgment stripped of all warmth or commitment. 'Noted' confirms receipt of your input and promises precisely nothing about its fate. The conversational airlock.
Heard in the wild
“I raised the staffing concern. 'Noted.'”
Tone check: Danger
One-word replies from management are moods with punctuation. 'Noted' means the topic is closed; reopen with data or don't.