This is the 2667th most frequent Japanese word.
歩道
Sidewalk.
Here, 歩道 (sidewalk) describes the physical path for pedestrians, emphasizing its environment as shaded by trees.
その歩道は木陰になっています。
That sidewalk is shaded by trees.
In this sentence, 歩道 (sidewalk) is part of the word 歩道橋 (pedestrian bridge), used to describe an overhead bridge for pedestrians.
歩道橋を渡ると駅につきます。
You will reach the station if you cross the pedestrian bridge.
Here, 歩道 (sidewalk) refers to a designated pedestrian area where children can play safely.