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  2. Visual sociology - Wikipedia

    en.wikipedia.org/wiki/Visual_sociology

    Visual sociologists can categorize and count them; ask people about them; or study their use and the social settings in which they are produced and consumed. So the second meaning of visual sociology is a discipline to study the visual products of society—their production, consumption and meaning.

  3. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Meaning Audible and visible emergency equipment State 0: Officer in danger: All available officers on radio frequencys respond. State 1: Emergency response: Road traffic exemptions usually utilised as is audible and visual warning equipment. State 2: Urgent response: Road traffic exemptions may be utilised along with audible and visual warning ...

  4. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet was founded in 2005 by Andrew Sutherland as a studying tool to aid in memorization for his French class, which he claimed to have "aced". [6] [7] [8] ...

  5. Sociology - Wikipedia

    en.wikipedia.org/wiki/Sociology

    In addition to Environmental sociology, this field overlaps with architectural sociology, urban sociology, and to some extent visual sociology. In turn, visual sociology—which is concerned with all visual dimensions of social life—overlaps with media studies in that it uses photography, film and other technologies of media. [citation needed]

  6. Alarm signal - Wikipedia

    en.wikipedia.org/wiki/Alarm_signal

    However, while alarm signals can be coupled with receiver monitoring, there is a lack of consensus on the definition, starting age, and purpose of monitoring. It is either defined as the use of three subsequent gaze alternations, from a threat to a nearby conspecific and back to the threat, or as the use of two gaze alternations. [35]

  7. Sign (semiotics) - Wikipedia

    en.wikipedia.org/wiki/Sign_(semiotics)

    dynamic, that is, the meaning as formed into an actual effect, for example an individual translation or a state of agitation, or; final or normal, that is, the ultimate meaning that inquiry taken far enough would be destined to reach. It is a kind of norm or ideal end, with which an actual interpretant may, at most, coincide.

  8. Fire alarm notification appliance - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_notification...

    A fire alarm notification appliance is an active fire protection component of a fire alarm system. A notification appliance may use audible, visible, or other stimuli to alert the occupants of a fire or other emergency condition requiring action. Audible appliances have been in use longer than any other method of notification.

  9. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    Fire alarm warning devices can also be set to different volume levels. Notification appliances utilize audible, visible, tactile, textual or even olfactory stimuli [15] [16] to alert the occupants of the need to evacuate or take action in the event of a fire or other emergency. Evacuation signals may consist of simple appliances that transmit ...