This is the 7551st most frequent Russian word.
дон
The Russian word "дон" means "don" (title) or refers to the Don River in Russia.
Here, 'Дон' represents the name of the river, a geographical place name.
В районе Дона проживает много рыболовов.
Many fishermen reside in the Don region.
This usage of 'дон' is about its application as a title, akin to the Spanish 'Don', implying a title of respect.
В литературе России слово 'дон' также может означать титул.
In Russian literature, the word 'don' can also mean a title.
In this sentence, 'Дон' is used as a personal name, showing its application as an identifier.