This is the 3109th most frequent German word.
claudia
"Claudia" is a German feminine given name, not a word with a specific definition.
Here, 'Claudia' is used as a proper noun referring to a person's name.
Claudia ist eine fähige Lehrerin.
Claudia is a capable teacher.
In this sentence, 'Claudia' is again a proper noun serving as the direct object.
Gestern sah ich Claudia im Park.
Yesterday, I saw Claudia in the park.
In this case, 'Claudias' is the genitive form of 'Claudia,' showing possession.