|(Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes.||کیتہولک عیسائیوں کا اعلی پادری|
|Serving as an essential component.|
A cardinal rule.
The central cause of the problem.
An example that was fundamental to the argument.
Computers are fundamental to modern industrial structure.