This is the 5792nd most frequent Spanish word.
selecciona
"Selecciona" means "select" or "choose."
The usage here is as an imperative, instructing someone to choose an option.
Selecciona la opción correcta en el examen.
Select the correct option in the exam.
In this case, it is used in the present tense indicative to describe a habitual action.
Siempre selecciona frutas frescas cuando compra en el mercado.
She always selects fresh fruits when she shops at the market.
Here, the verb is in the infinitive form as part of a polite request.