What is what does esoteric mean?

Esoteric refers to knowledge or teachings that are intended for or likely to be understood by only a small, select group of people with a specialized interest or knowledge in a particular field. It often involves mystical or spiritual concepts, practices, or beliefs that are not commonly known or understood by the general public. Esotericism is often characterized by its emphasis on inner transformation, self-discovery, and hidden or symbolic meanings. Examples of esoteric topics include alchemy, astrology, tarot, hermeticism, and Kabbalah.