Aircraft provide aerial cover and support for your ground forces. Some are dedicated to one specific type of mission, while others are multirole.
Fighters and Interceptors aim to deny enemy helicopters and planes access to the battlefield. Attack and Close Air Support (CAS) aircraft are used to strike and destroy enemy land units. SEAD (Suppression of Enemy Air Defense) planes are designed to neutralize and take out enemy air defense systems. Many aircraft are multirole, allowing them to perform a variety of missions in a balanced way.
At (Anti Tank) planes are usually used in taking out heavy tanks and light vehicles in bad situations. but can also be used as multipurpose using it as a SEAD (Suppression of Enemy Air Defense) if it is not the best AA (Anti Air)