However, it's important to note a few things:
* Variations existed: There were likely regional dialects of Oghuz Turkish spoken within the Seljuk Empire.
* Other languages were present: The Seljuk Empire was multicultural, and various other languages would have been spoken within its borders, including Persian, Arabic, and other Turkic languages.
* Persian's influence: Persian, the language of the previous Persian empires, had a significant cultural influence on the Seljuks. This is reflected in their literature and administrative practices, even though their primary spoken language remained Oghuz Turkish.
Essentially, while Oghuz Turkish was the dominant language, the Seljuk Empire was a melting pot of languages and cultures.