Final answer:
Freud described instincts as innate and often operating at an unconscious level, not solely related to sexual desires.
Step-by-step explanation:
According to Freud, instincts are innate and often operate at an unconscious level. Instincts are not fully conscious desires but rather drives that guide our behavior. They are part of the unconscious mind and can be related to various desires, not solely sexual desires. Instincts can include desires for pleasure, power, security, food, and other irrational desires.