Kaşgarlı Mahmud recorded Turkish vocabulary, dialects, oral culture, geography, and social memory, establishing one of the foundational works of Turkish linguistic and intellectual history.
Turkish philosophy and thought develop through language, early texts, Islamic traditions, Ottoman institutions, modernisation, academic philosophy, cultural criticism, and continuing conceptual production.
Yusuf Has Hacip connected justice, political legitimacy, knowledge, reason, ethical action, language, and human happiness within the conceptual structure of Kutadgu Bilig.