Tantras are ancient texts and teachings in Hinduism and Buddhism that focus on spiritual practices, rituals, and meditation. They emphasize the importance of direct experience and personal realization, often using symbolic language and complex imagery to convey deeper meanings. These teachings often include methods for achieving enlightenment, such as mantras, mudras, and yantras. Tantras are considered essential for understanding the nature of reality and the self, guiding practitioners on their spiritual journey through various techniques and philosophies.