This is the 5746th most frequent Russian word.
продолжительности
"Duration" or "length of time."
Here, 'продолжительности' specifies the duration or length of time during which the lease is valid.
Срок продолжительности аренды составляет один год.
The term duration of the lease is one year.
In this context, 'продолжительности' refers to the runtime or total time span of the movie.
Мы обсуждали фильм, и я отметил его продолжительность.
We were discussing the movie, and I noted its duration.
Here, 'продолжительности' indicates the total duration of a session.