This is the 3459th most frequent Russian word.
продления
Extension.
In this sentence, 'продление' refers to an official process or request to extend a visa's period of validity.
Они подали заявку на продление визы в последний момент.
They submitted an application for the extension of their visa at the last moment.
Here, 'продление' indicates the act of extending the duration or terms of a contract.
Продление рабочего контракта требует согласования обеих сторон.
The extension of the work contract requires agreement between both parties.
In this context, 'продление' means the extension or continuation of benefits or regulations for a specified period.