An alarm from a real or threatened attack; a sudden attack; also, a bugle sound to give warning.

An indication to the opponents that the partner's bid is artificial (or that its meaning might be otherwise unexpected). An alert is made by pronouncing "alert", displaying an appropriate card from the bidding box, or sometimes by just knocking on the table. Use of alert (alert procedure) is regulated by sponsoring organizations.

See Alarm.

An action, such as a beep or warning, that is generated when a performance variable exceeds or falls below its warning or alarm threshold.

Watchful; vigilant; active in vigilance.

a technique used by tournament players to draw opponents' attention to unusual agreements.

very attentive or observant; "an alert and responsive baby is a joy"; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty"

a notice to the Community Relation Service providing information that there was a matter, a case, that came to our attention that demanded that we take a look at it to see what to do

an ordinary screen that can contain text and an image

a screen that shows data to the user and waits for a certain period of time before proceeding to the next Displayable

a small box that appears on the display screen to give you information

An audible and/or on-screen signal from the computer that demands a user's attention. An alert box usually accompanies most alerts requiring a response or acknowledgement.