The Radio Frequency listing provides all the important frequencies necessary for your approach. These include ATIS (Air Traffic Information Service), Approach Control, Tower, Ground, Clearance Delivery, UNICOM, as well as other possible agencies.
A ( * ) STAR indicates tower or ATIS is NOT under CONTINUOUS Operation.
CTAF (Common Traffic Advisory Frequency)
The (L) indicates runway lighting that is Pilot Controlled via a certain number of "key mike" transmissions on that freq.
The frequencies in the 100's are VHF and used in most CIVILIAN aircraft, while the numbers in the 200-300's are UHF and are used primarily by the military.