Why do tyres of vehicles have tread?

Explanation

### Step-by-Step Solution:

1. **Understanding Tread on Tires**:
- Tires of vehicles have a pattern of grooves and cuts known as tread. This design is intentional and serves a specific purpose.

2. **Purpose of Tread**:
- The primary function of the tread is to enhance the grip of the tire on the road surface. This is crucial for vehicle control, especially during various weather conditions.

...