Courts that are "higher"
or
above trial courts are called

appellate court.

Explanation:

In the trial court, evidence and testimony are first introduced, received and considered. Findings of fact and law are made in the trial court and eventually, the findings of law may be appealed to a higher court that has the power of review. This is commonly referred to as an appellate court.

Hope this helps :D

detente translated to english means politics