This is the 5742nd most frequent Russian word.
продлен
Extended.
The word 'продлен' is used as a passive form meaning 'extended' describing the extension of the visa's validity period.
Срок действия визы был продлен еще на два месяца.
The validity of the visa was extended for another two months.
The word 'продлен' is used to indicate a physical extension or lengthening, specifically of the bridge's span.
Мост был продлен для соединения двух берегов.
The bridge was extended to connect the two sides.
Here, 'продлен' is used to signify a temporal extension of the duration of the lesson.