Olie is an essential product derived from various plant and animal sources. It has a multitude of usages, ranging from simple cooking to industrial application. It is composed mainly of fats and oils, but it also contains traces of mineral waxes, phospholipids, and fatty acids. Olie is also a major component of many cleaning and lubricating products.

Olie is an important part of everyday consumption. It is used in food preparation and has a wide range of applications such as in baking and frying, as frying oil, and to lubricate machines. Olie can also be added to certain cosmetics such as soaps and lotions.