This is the 127th most frequent Catalan word.
sistema
"System."
In this sentence, 'sistema' is used to refer to a structured organization pertaining to education.
El sistema educatiu necessita reformes urgents.
The educational system needs urgent reforms.
Here, 'sistema' is used in the context of a computing environment, denoting the operating system.
Aquest software opera sota un sistema operatiu complex.
This software operates under a complex operating system.
In this case, 'sistema' signifies a natural, interconnected ecological framework.