JDAM, also known as Joint Direct Attack Munition, is a guidance kit that converts unguided bombs into precision guided weapons. There are several synonyms for JDAM, which include smart bomb, precision bomb, guided bomb, and GPS-guided bomb. Smart bombs refer to bombs that have guidance systems, while precision bombs accurately hit targets with a high level of accuracy. Guided bombs generally have a guidance system that actively adjusts the bomb's trajectory. GPS-guided bombs use GPS navigation to guide the weapon towards a specific target. All of these synonyms refer to the same type of weapon - a bomb that has been equipped with a guidance system to ensure that it hits a specific target with precision.