This is the 2858th most frequent Portuguese word.
cláudio
"Cláudio" is a proper noun, a masculine given name equivalent to "Claudio" in English.
In this sentence, 'Cláudio' is used as a proper noun referring to a person's name.
Cláudio comprou um livro interessante sobre astronomia.
Cláudio bought an interesting book about astronomy.
Here, 'Cláudio' indicates a specific person whom the speaker has made plans with.
Eu e Cláudio decidimos viajar para a praia no próximo fim de semana.
Cláudio and I decided to travel to the beach next weekend.
In this context, 'Cláudio' denotes the individual responsible for the project's development.