Exozodiacal dust refers to the presence of dust particles in the circumstellar disks around stars other than our sun. This dust can be a sign of ongoing planetary formation or other processes within these stellar systems. The study of exozodiacal dust helps researchers understand the formation and evolution of planetary systems beyond our own solar system. By studying the properties and distribution of exozodiacal dust, scientists can gather insights into the dynamics and composition of these distant planetary systems.