What Does Archive Warnings (AO3) Mean?
AO3 PlatformAO3's mandatory disclosure system for four major content types: Graphic Depictions of Violence, Major Character Death, Rape/Non-Con, and Underage. Every work must address them — apply, deny, or decline to say.
Archive Warnings (AO3) in Practice
The archive warnings are AO3's constitutional compromise, forged from years of fandom warning debates: the community agreed that four content categories were serious enough to require a statement, while preserving author choice through 'Choose Not To Use Archive Warnings,' the option that says 'I'm not telling — proceed accordingly.' The system's elegance is that even silence is informative: 'No Archive Warnings Apply' is an affirmative all-clear, CNTW is a flagged unknown, and readers can filter on any of it, excluding categories wholesale with one setting. The warnings predate and outclass most mainstream platforms' content systems, and they encode fandom's core ethic — dark content is permitted, ambushing readers is not. Everything else lives in the voluntary tag layer on top.
Example usage
"Step one of teaching anyone AO3: explain the four archive warnings and exactly what Choose Not To Warn implies."
Related Terms
MCD (Major Character Death)
An abbreviation for Major Character Death, one of AO3's four mandatory archive warnings. It tells readers up front that a central character dies in the story.
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Non-Con
Short for 'non-consensual,' fandom's standard term for depictions of rape or sexual assault in fiction. On AO3 it is covered by the mandatory 'Rape/Non-Con' archive warning.
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Underage (Archive Warning)
One of AO3's four mandatory archive warnings, flagging depictions of sexual activity involving characters under eighteen. Authors must apply it, deny it applies, or choose not to warn.
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Rating System (AO3)
AO3's five-tier content scale: General Audiences, Teen And Up, Mature, Explicit, and Not Rated. Every work displays its rating as part of the symbol block on its listing.
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