Triglycerides and cholesterol are both fatty substances known as lipids. But, triglycerides are fats; cholesterol is not. Cholesterol is a waxy, odorless substance made by the liver that is an essential part of cell walls and nerves.
GSM (Global System for Mobile communication) is a digital mobile telephony system that is widely used in Europe and other parts of the world. GSM uses a variation of time division multiple access (TDMA) and is the most widely used of the three digital wireless telephony technologies (TDMA, GSM, and CDMA).
GSM vs UMTS. GSM is an abbreviation of Global System for Mobile communication, originally it is known as Group Special Mobile. It is mobile telephony system that sets the standards on how mobile telecommunications work. It encompasses everything in reference to mobile communications.