This is the 11087th most frequent Portuguese word.
lembrete
"Reminder."
The word 'lembrete' is used in the sense of a physical or written note aiming to remind the person of a task or event.
Eu deixei um lembrete na mesa para não esquecer da reunião.
I left a reminder on the table to not forget about the meeting.
Here, 'lembretes' is used to describe notifications or alerts provided by an application as reminders for predetermined tasks.
Este aplicativo envia lembretes para tomar os remédios.
This app sends reminders to take the medicines.
In this case, 'lembrete' is used to indicate a verbal or instructed reminder given by someone to another person.