This is the 3930th most frequent Russian word.
данилов
"Данилов" is a Russian surname derived from the given name Данила (Danila), meaning "of Danila" or "belonging to Danila."
In this sentence, "Данилов" is used as a surname, referring to a person, Mr. Danilov, who performed the action of giving a lecture.
Данилов прочитал лекцию о современной литературе.
Danilov gave a lecture on contemporary literature.
Here, "Данилова" refers to a street named after a person with the surname Danilov, illustrating its use as a toponym.
На улице Данилова начинается стройка нового жилого комплекса.
A new residential complex is being built on Danilov Street.
In this example, "даниловых" refers to the plural form of the surname Danilov, indicating a family or group associated with that name.