+**Fat** is a broad term for a class of organic compounds, primarily [Lipid](/wiki/lipid)s, that are largely insoluble in water. Essential for life, it serves as an efficient store of [Energy](/wiki/energy) and plays vital roles in cell structure, insulation, and hormone production.
+## See also
+- [Nutrition](/wiki/nutrition)
+- [Metabolism](/wiki/metabolism)
+- [Adipose Tissue](/wiki/adipose_tissue)