"Російською" refers to the Russian language, which is an East Slavic language primarily spoken in Russia and several other countries. It is one of the six official languages of the United Nations and is known for its rich literary tradition, including works by famous authors like Leo Tolstoy and Fyodor Dostoevsky. The language uses the Cyrillic alphabet, which consists of 33 letters. Russian is the most widely spoken Slavic language and serves as a lingua franca in many former Soviet states. It plays a significant role in international diplomacy, science, and culture.