This is the 1257th most frequent Spanish word.
decide
"Decide" in Spanish means "he/she decides" or "you decide" (formal).
In this sentence, the verb 'decide' is used in a present tense form to express a choice or determination made by the subject regarding a course of action.
Ella decide estudiar ingeniería.
She decides to study engineering.
Here, 'decida' is used in the subjunctive mood to convey a wish or hope regarding someone else's decision occurring in the future.
Espero que él decida pronto.
I hope he decides soon.
In this usage, 'decidieron' is the past tense form of the verb 'decidir', indicating an action or decision taken in the past.