Here's a breakdown:

* Glycerol: A three-carbon alcohol that forms the backbone of the molecule.

* Fatty Acids: Long chains of hydrocarbons (carbon and hydrogen) with a carboxyl group (COOH) at one end.

* Three Fatty Acids: In a triglyceride, three fatty acid molecules are attached to each of the three carbon atoms of glycerol through ester bonds.

Triglycerides are the most common type of fat found in living organisms and are important for energy storage and insulation.