What is the need of units of measurement?

Explanation

### Step-by-Step Solution:

1. **Understanding Measurement**: Measurement is the process of quantifying an attribute, such as length, mass, or volume. It allows us to express how much of something we have.

2. **Role of Units**: Units are standard quantities used to specify measurements. They provide a reference point that helps us understand the size or amount of what we are measuring.

3. **Examples of Units**: Common units include kilograms (kg) for mass, meters (m) for length, and liters (L) for volume. For instance, if you measure the mass of an object and find it to be 5 kg, the "kg" tells you the measurement is in kilograms.

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