This is the 1894th most frequent Spanish word.
llenar
To fill.
In this sentence, 'llenar' is used to denote completing a document by adding the necessary information.
Voy a llenar el formulario para la inscripción.
I am going to fill out the form for the registration.
Here, 'llenar' is used to describe physically filling a container with a substance or item.
Después de llenar el vaso con agua, lo bebí.
After filling the glass with water, I drank it.
In this context, 'llenar' metaphorically expresses enriching or supplementing the mind with abstract or intangible concepts.