This is the 606th most frequent Spanish word.
decidió
"Decidió" means "he/she/it decided" or "you decided" (formal).
Here, 'decidió' is the past tense of 'decidir' indicating a completed action in the past where Maria made a decision to choose her field of study.
María decidió estudiar arquitectura este año.
Maria decided to study architecture this year.
'Decidió' showcases the point in time when someone finalized their choice after deliberation, emphasizing the decision-making process.
Después de analizar todas las opciones, él decidió tomar la oferta de trabajo en el extranjero.
After analyzing all the options, he decided to take the job offer abroad.
This sentence uses 'decidió' to reflect the choice or intention of my sister to perform or refrain from a specific action.