Refers to the horizontal measurement of an object, as opposed to height or depth. Common in everyday descriptions of furniture, rooms, screens, etc.
This table's width is 120 centimeters.
The width of this desk is 120 centimeters.
The sofa with a wide width didn't fit into the room.
This sofa is too wide to fit in the room.
I measured the width before buying the bookshelf.
縦幅 measures the vertical height or length of an object, whereas 横幅 measures its horizontal width.
Compound of 横 (yoko, 'side, horizontal') and 幅 (haba, 'width').