Difference between oil and fat : 

Oil : ( Vegetable oil, fish oil )

a) Liquid at room temperature, 

b) Unsaturated fats like monounsaturated and polyunsaturated are their types,

c) Mostly derived from plants,

d) Improves cholesterol levels,

Fat : ( Butter, beef fat )

a) Solid at room temperature

b) Saturated and trans are their types

c) Mostly derived from animal

d) Increases cholesterol levels