This is the 819th most frequent Spanish word.
escribió
"Escribió" means "he/she/it wrote" or "you (formal) wrote."
Here, 'escribió' is the past tense (preterite) form of the verb 'escribir,' indicating a completed action of writing a letter.
María escribió una carta a su amigo.
María wrote a letter to her friend.
In this sentence, 'escribió' expresses a past, completed action attributed to an unknown or questioned subject.
¿Quién escribió este libro tan interesante?
Who wrote this very interesting book?
The usage of 'escribió' here references the author's past actions of writing novels, emphasizing completion of these actions.