This is the 2603rd most frequent Russian word.
телеграм
"Telegram" - a message sent by a telegraph system.
The word 'телеграм' here is used to refer to an actual telegram, a method of communication.
Я получил телеграм из другого города.
I received a telegram from another city.
In this sentence, 'Телеграм' refers to 'Telegram,' the digital messaging application used for communication.
Мы общаемся через Телеграм для работы.
We communicate through Telegram for work.
Here, 'Телеграм' is used as the subject of the sentence to describe the messaging application and its benefits as a mode of communication.