Fronts and cyclones are closely related atmospheric phenomena, but they differ significantly in their nature, formation, characteristics, and climatic significance. A front is a boundary separating two contrasting air masses with different temperature, humidity, and density, whereas a cyclone is a large-scale low-pressure system characterized by converging winds, rising air, cloud formation, and precipitation. Fronts are structural features of the atmosphere, while cyclones are dynamic weather systems that often contain one or more fronts. A front develops when two air masses of different physical properties come into contact without immediately mixing because of differences in density. The denser, colder air tends to remain near the Earth's surface, while the lighter, warmer air rises over it. This interaction creates a transition zone known as a frontal surface. Cyclones, on the other hand, originate due to the development of a low-pressure centre resulting from atmospheric instability, convergence of winds, upper-air disturbances, or thermal contrasts. Cyclones involve the circulation of air around the low-pressure centre and often evolve through several stages. Fronts are classified into four major types: cold fronts, warm fronts, stationary fronts, and occluded fronts. A cold front forms when a cold air mass advances and displaces warm air upward. A warm front occurs when warm air advances over retreating cold air. A stationary front exists when neither air mass advances significantly, while an occluded front develops when a cold front overtakes a warm front. Cyclones are broadly classified into tropical cyclones