The paper examines the main terms used by al-Farabi in constructing of his own language model. The author analyzes the role and place of each term in the Eastern thinker's concept of the language, focuses on the symbolic nature of his linguophilosophical theory, and proves the lexical character of the system of symbolism. The author considers the features of al-Farabi's approach to terminological tools and emphasizes the relevance of the mentioned theme for the modern Russian linguophilosophy.