Describing a person as tall (having a large height). Often used when modifying a noun (e.g. 背の高い人).
背の高い人が前に立つとスクリーンが見えにくい。
When a tall person stands in front, it's hard to see the screen.
背の高い兄と背の低い弟がいる。
I have a tall older brother and a short younger brother.
背の高いモデルがランウェイを歩いた。
A tall model walked down the runway.
背の高い家具は部屋を狭く見せることがある。
Tall furniture can sometimes make a room look smaller.