This is the 5981st most frequent Spanish word.
vuelva
"Vuelva" means "return" or "come back" (subjunctive or formal command form of "volver").
In this sentence, 'vuelva' is the formal second person singular (usted) conjugation of the verb 'volver' in the present subjunctive mood used to convey an imperative request.
Vuelva a visitar nuestro sitio web para más información.
Return to visit our website for more information.
Here, 'vuelva' is the third person singular conjugation of 'volver' in the present subjunctive, depending on the subjunctive phrase 'es posible que'.
Es posible que él vuelva pronto de su viaje.
It is possible that he returns soon from his trip.
In this situation, 'vuelva' refers to the first person singular in the present subjunctive mood, used in a temporal clause after 'cuando' for future actions.