In my country man, at least they work
Answer:
d) priority time
Explanation:
This is because, while maintenance time and discretionary time allows for the use of time for other non-judicious activities which an individual wishes to, priority time, on the other-hand, allows for the judicious use of time for important activities in any given particular day.
I believe the answer is: iconography
Iconography is considered to be a branch of history. The image that painted from a society often represent the social situations or culture that were popular by the time it's made. Which mean by studying such images, historians could obtain valuable information regarding social events or how people at that time think.