This is the 2368th most frequent German word.
manuela
"Manuela" is a female given name in German, deriving from the Spanish name "Manuel," meaning "God is with us."
'Manuela' here denotes the sender of the letter, again acting as a proper noun to identify the individual.
Ich habe einen Brief von Manuela erhalten.
I received a letter from Manuela.
In this context, 'Manuela' is used in the role of the direct object in the sentence, suggesting the person whom the action affects.
Hast du Manuela schon getroffen?
Have you already met Manuela?
In this sentence, 'Manuela' is used as a proper noun, which is a name referring to a specific individual.