This is the 11808th most frequent German word.
teresa
"Teresa" is not a German word; it is typically a personal name.
In this sentence, 'Teresa' is a proper noun referring to the name of a person.
Teresa ist meine beste Freundin.
Teresa is my best friend.
Here, 'Teresa' is the direct object of the verb 'sehen', representing the person being observed.
Ich sehe Teresa jeden Tag im Park spazieren.
I see Teresa walking in the park every day.
In this sentence, 'Teresa' is used as a noun referring to a name in its general context.