1. Magnitude: This refers to the size or amount of the physical value. It describes how much of the quantity is present. For example, the magnitude of a force could be 10 Newtons, or the magnitude of a temperature could be 25 degrees Celsius.

2. Unit: This refers to the standard of measurement used to quantify the physical value. It provides context to the magnitude and allows for consistent comparison. For example, the unit of force is the Newton (N), the unit of temperature is Celsius (°C), and the unit of length is the meter (m).

It's important to note that both magnitude and unit are essential to fully describe a physical value. Saying "10" without specifying the unit is meaningless, as it could refer to 10 apples, 10 meters, or 10 kilograms. Similarly, saying "Newtons" without a magnitude doesn't convey any information about the actual strength of the force.