The Expression Number is a key concept in numerology that reflects a person's natural talents, abilities, and potential. It is calculated using the full name given at birth, where each letter corresponds to a specific number. This number helps individuals understand their strengths and weaknesses, guiding them in personal and professional pursuits. In numerology, the Expression Number is often used alongside other numbers, such as the Life Path Number and Soul Urge Number, to provide a comprehensive view of a person's character. By analyzing these numbers, individuals can gain insights into their life purpose and how to achieve their goals.