Learning to Teach in an Era of Privatization: Global Trends in Teacher

The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.

The linear measurement of a book’s spine from one edge to the other, expressed in units such as millimetres or inches. It indicates how thick the binding is and helps determine storage space, handling, and compatibility with shelving or protective covers.

The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.