To start with, I've seen Samantha and Samandhi. And Samadhi Sutta, which interestingly discusses tranquillity and insight ( samatha and vipassana ).
There's another sutta which says that samatha and vipassana are paired qualities - samatha gets rid of passion, vipassana gets rid of delusion ( I'll see if I can find it ). Note that samatha is a quality, not a method.
Answer:
Mandated boundaries
Explanation:
Extremely imposed boundaries of conduct, such as laws, rules, regulations, and other requirements are known as Mandated boundaries.
These rules and regulations are usually held in very high regards and very compulsory to obey. Disobeying Mandated boundaries usually attract a very stiff penalty.