>Notwithstanding, I have avoided virtually all NSFL stuff and don't understand trigger warnings.

How?

Trigger warning = NSFL tag on the post

Allows you to have informed consent to consume content - or nope out of it.

For most people, "NSFL" is stuff like extreme gore.

For survivors, NSFL also includes whatever experience nearly did them in (so, literally NSFL). Hence more words needed.

Did this clear it up?