The Clue
Some are red (6 letter answer)
The Answer
ALERTS
Tags
Notes
The answer ALERTS is common and appears about once every 250 puzzles.
Related Clues
Advises
Advisories
Arouses
Forewarns
Signals
Sirens
Tips
Tocsins
Warnings
Warns
An anagram for alters
Critical warnings
Makes aware
Prepares for action
Puts on guard
Puts on notice
Rings a tocsin
Sirens' calls
Storm sirens
Tips off
Air-raid warnings
All-points bulletins
Flashing lights, say
Heads-up notices
"Heads up!" and others
Puts on the qui vive
Red lights and flares
Red or yellow conditions
Some computer messages
All-points bulletins, e.g.
Color-coded government announcements
Tip-offs, maybe
They may be red
Definition
ALERT as a noun:
1. (alert, qui vive) = condition of heightened watchfulness or preparation for action; "bombers were put on alert during the crisis"
2. (alert, alerting) = a warning serves to make you more alert to danger
3. (alarm, alert, warning signal, alarum) = an automatic signal (usually a sound) warning of danger
ALERT as a verb:
1. (alarm, alert) = warn or arouse to a sense of danger or call to a state of preparedness; "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries"