What is the meaning of the term 'Ranging' ?

Explanation

**Step-by-step Solution:**

1. **Understanding the Term 'Ranging':**
- The term 'ranging' refers to a method used to determine the distance between two objects.

2. **Context of Ranging:**
- Ranging is often used in technologies such as sonar, which is a system that uses sound propagation to navigate, communicate, or detect objects underwater.

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