This is the 2829th most frequent Russian word.
урсула
"Урсула" is a Russian given name equivalent to "Ursula" in English.
In this sentence, 'Урсула' is a proper noun used as the name of a person, indicating the subject of the action described.
Урсула пришла на встречу вовремя.
Ursula arrived at the meeting on time.
Here, 'Урсула' is used as a name in the instrumental case 'Урсулой' to indicate who performed the action of writing.
Книга написана Урсулой, известной писательницей.
The book was written by Ursula, a famous writer.
In this sentence, 'Урсула' refers to a person, and its use gets elaborated with additional information about her role.