To do well the reasonable analysis and management of the right of use for the transverse space of roads is an important measure for improving the benefit of urban road transportation system.

The balance between Time-Bias and Space-Bias of network media is fit for not only information's storage and application on longitudinal time, but also information's share on transverse space.

The living space is defined by transverse walls dividing the space from the adjacent rooms on the ground level and the attic.