This is the 4277th most frequent French word.
entreront
"Will enter."
Here, 'entreront' is used to indicate a future action where the subjects will physically move into a room.
Après avoir écouté l'explication, ils entreront dans la salle de classe.
After listening to the explanation, they will enter the classroom.
In this sentence, 'entreront' describes the future action of the guests moving into the main hall.
Lorsque les invités arriveront, ils entreront dans le hall principal.
When the guests arrive, they will enter the main hall.
This usage of 'entreront' is figurative, referring to the data being input into a system.