This is the 7561st most frequent Spanish word.
joana
"Joana" is a Spanish given name, equivalent to "Joanna" or "Jane" in English.
In this sentence, 'Joana' is used as a proper noun referring to a person's name.
Joana siempre ayuda a los demás.
Joana always helps others.
Here 'Joana' is again a proper noun, indicating someone's name, and is used within a subjective statement.
Creo que Joana sería una buena líder.
I think Joana would be a good leader.
In this example, 'Joana' functions as a possessive proper noun, showing ownership or association to 'ability'.