This is the 11274th most frequent Spanish word.
envían
"They send."
'Envían' is employed in a complex sentence to show contrast, illustrating repeated action in the present.
Aunque envían mensajes frecuentemente, prefieren llamar por teléfono.
Although they send messages frequently, they prefer to call by phone.
In this sentence, 'envían' is used to indicate the habitual action of sending letters in a present tense situation.
Ellos envían cartas a sus amigos regularmente.
They send letters to their friends regularly.
Here, 'envían' is used as a command in the present tense in familiar plural form.