たて（たて）— height; vertical dimension
この 箱 は たて が 長い です。
This box is tall.
たてたて
height; vertical dimension
たて
accent [1]In detail
Words
このkonothis
箱hakobox
はwa(topic marker)
たてtateheight; vertical dimension
がga(subject marker)
長いnagailong
ですdesu(polite sentence ending)
たて refers to the vertical dimension or orientation. In this example, English naturally describes the box as tall. Compare よこ, the horizontal dimension.
Coco-sensei