Step 1: Understand what a lawn is:
A lawn is an area covered with short, closely mown grass.
It is a basic part of most gardens and landscapes.
Step 2: List the uses of a lawn:
A lawn gives a green, soft base that makes other plants and features stand out.
It gives open space for walking, sitting and games.
It also keeps the surroundings cool and reduces dust.
Step 3: Choose one advantage:
One clear advantage is that a lawn adds beauty to the garden.
The green carpet of grass looks fresh and gives a calm, pleasant view.
Final Answer:
A lawn enhances the beauty of a garden and gives a soft green surface for recreation.