"Русская" refers to the Russian language or something related to Russia, particularly its culture, people, or traditions. The term is often used to describe the ethnic group known as the Russians, who have a rich history and diverse cultural heritage. In a broader context, "русская" can also pertain to various aspects of Russian life, including literature, music, and art. Notable figures like Leo Tolstoy and Pyotr Tchaikovsky have significantly contributed to the global appreciation of Russian culture, showcasing its depth and complexity.