Symbolic proportion is when you use another item to explain what something is to someone. For example, you might tell someone an old Nintendo game looked like an 8-track tape.
Mineral oil is used to treat constipation. It is known as a lubricant laxative. It works by keeping water in the stool and intestines. This helps to soften the stool and also makes it easier for stool to pass through the intestines.
The mineral oil that's used as medicine is a very refined, clear liquid distilled from petroleum. It's available over-the-counter (OTC) to treat a variety of ailments, including constipation, minor skin irritations, scalp conditions, ear-wax buildup, and others.