This is the 2811th most frequent Portuguese word.
vá
"Vá" means "go" (command or suggestion in the subjunctive/imperative mood).
In this sentence, 'vá' is used as an imperative verb in the subjunctive mood, to give a polite command or request.
Por favor, vá à loja comprar pão.
Please, go to the store to buy bread.
Here, 'vá' is in the present subjunctive, expressing a suggestion or wish about an action in the future.
Espero que você vá ao médico amanhã.
I hope you go to the doctor tomorrow.
In this case, 'vá' is used in the subjunctive to indicate permission or suggestion within a conditional scenario.