This is the 4162nd most frequent Portuguese word.
simone
"Simone" is a proper noun, typically used as a given name in Portuguese.
In this sentence, 'Simone' is used as a proper noun referring to a specific individual.
Simone é uma cantora famosa no Brasil.
Simone is a famous singer in Brazil.
Here, 'Simone' again is a proper noun, and the sentence discusses her potential actions.
Não sei se Simone virá à festa amanhã.
I don't know if Simone will come to the party tomorrow.
In this sentence, 'Simone' is referred to as someone identifiable by context, specified in discourse.