It's important to know your fats so that you can make informed nutritional decisions. It is integral that you get your essential fatty acids from the diet because they cannot be synthesised intrinsically (inside the body). The main sources of dietary fats are meats, dairy products, vegetable oils and spreads…so here’s a little breakdown of what food sources give you what fats:
Fatty acid composition of common oils and fats
64% saturated fat
7% saturated fat
Mann, J & Truswell, A, S. (2007). Essentials of human nutrition. Fats and oils. NY: Oxford University Press.