This is the 495th most frequent Italian word.
diventa
"Becomes"
Here, "diventa" is used to describe a change or transformation in the state of the situation.
La situazione diventa sempre più complicata.
The situation becomes increasingly complicated.
"Diventa" here is demonstrating how the project is transitioning into a state of increased importance or focus.
Questo progetto diventa una priorità per tutti.
This project is becoming a priority for everyone.
In this sentence, "diventa" indicates the acquisition of a new quality or behavior during the act of studying.