A subpoena duces tecum (or subpoena for production of evidence) is a court summons ordering the recipient to appear before the court and produce documents or other tangible evidence for use at a hearing or trial. The summons is known by various names in different jurisdictions. The term subpoena duces tecum is used in the United States, as well as some other common law jurisdictions such as South Africa and Canada. It is a Latin phrase meaning you will bring with you under penalty of punishment.
In modern psychology, vigilance, also termed sustained concentration, is defined as the ability to maintain concentrated attention over prolonged periods of time. During this time, the person attempts to detect the appearance of a particular target stimulus. The individual watches for a signal stimulus that may occur at an unknown time.
The definition of cautious is being aware, being careful or being alert to danger. An example of cautious is a person who always makes a pro/con list before making any decision to identify all possible problems that could come up. An example of cautious is a decision undertaken only after great deliberation and with some lingering fear.