"Non-Indo-European" refers to languages that do not belong to the Indo-European language family, which includes languages like English, Spanish, and Hindi. Instead, these languages come from different linguistic families, such as Sino-Tibetan, Afro-Asiatic, and Turkic. Examples of non-Indo-European languages include Mandarin Chinese, Arabic, and Turkish. These languages often have distinct grammatical structures, vocabulary, and phonetics compared to Indo-European languages. Non-Indo-European languages are spoken by millions of people worldwide and play a crucial role in the cultural and social identities of their speakers. Understanding these languages helps in appreciating the diversity of human communication.