it is a deviced used from the ground by ground troops to aim at a target with a laser beam. An airplane far away will release the missile and the misile will be guided by the device. the pilot does not have to aim the missile.

Smart Bomb

Gbu-39/b

Precision laser cutting is used for medical devices and industrial production. Precision laser cutting is guided by a computer and follows a preloaded template.

usually it stands for limited. There is alot of uses for it though i.e. LTD may refer to: Lane TransitDistrict, the public transport organization serving Eugene, Oregon and surrounding areas; Laser target designator, a type of low-power laser pointer used by the military to indicate a target for a precision-guided munition; Leeds Thomas Danby

Some are the US AGM-65 "Maverick," the French "AS.30L" and the USAF AGM-123 "Skipper". They are classified as PGM (precision guided munitions.)