Architectural Design and Decoration needs these Dimensions and Sizes

Architectural design and even the decoration process needs some basic knowledge of the space and its standard dimensions. Actually when the architects are planning each a single room of the house, they are making it according to some standards. The carpenters and manufacturers producing furniture are also following some standard dimensions.  Architectural Design and Decoration  needs these Important Dimensions and Sizes

Architectural Design and Decoration

The image bellow will show you how important knowing these sizes and number is. How can we function if they are right and imagine just what happens if they are bad predicted?