This is the 1476th most frequent Portuguese word.
aviso
Notification or warning.
Here, 'aviso' is used as a noun meaning 'notice' or 'warning', indicating a formal communication.
Recebi um aviso sobre uma possível mudança no horário.
I received a notice about a possible schedule change.
In this sentence, 'aviso' refers to a posted announcement or warning meant to inform or caution.
O aviso na parede alerta para os cuidados necessários.
The notice on the wall alerts to the necessary precautions.
In this instance, 'aviso' is used to express a cautionary statement or advice.