This is the 4611th most frequent Spanish word.
biografía
A biography; a written account of someone's life.
Here, 'biografía' refers to a written account of someone's life.
He leído la biografía de Gabriel García Márquez.
I have read the biography of Gabriel García Márquez.
Here, 'biografía' is used to denote a written account of the student's own life.
En la clase, aprendimos a escribir nuestra biografía en español.
In class, we learned to write our biography in Spanish.
In this context, 'biografía' refers to the documented life story that serves as the basis for the documentary.