Surveillancenoun
Close observation of an individual or group; person or persons under suspicion.
Vigilancenoun
Alert watchfulness.
Surveillancenoun
Continuous monitoring of disease occurrence for example.
Vigilancenoun
Close and continuous attention.
Surveillancenoun
Systematic observation of places and people by visual, aural, electronic, photographic or other means.
Vigilancenoun
(obsolete) A guard; a person set to watch.
Surveillancenoun
(legal) In criminal law, an investigation process by which police gather evidence about crimes, or suspected crime, through continued observation of persons or places.
Vigilancenoun
The quality or state of being vigilant; forbearance of sleep; wakefulness.
Surveillancenoun
Oversight; watch; inspection; supervision.
‘That sort of surveillance of which . . . the young have accused the old.’;
Vigilancenoun
Watchfulness in respect of danger; care; caution; circumspection.
‘And flaming ministers to watch and tendTheir earthly charge; of these the vigilanceI dread.’;
Surveillancenoun
close observation of a person or group (usually by the police)
Vigilancenoun
Guard; watch.
Surveillance
Surveillance is the monitoring of behavior, many activities, or information for the purpose of information gathering, influencing, managing or directing. This can include observation from a distance by means of electronic equipment, such as closed-circuit television (CCTV), or interception of electronically transmitted information like Internet traffic.
Vigilancenoun
the process of paying close and continuous attention
Vigilancenoun
vigilant attentiveness;
‘he keeps a weather eye open for trouble’;
Vigilancenoun
the action or state of keeping careful watch for possible danger or difficulties
‘security duties that demand long hours of vigilance’;