Standards are present to give the people general instructions and guide them through designing and planning. Thus, the standard serve the architects when the plan a house or a building and when they design the interior. Speaking of standard, it includes all of the details that can affect the people in the feature. As you can see on the pictures, when designing a chair or a bar, you should consider the height and the general height of the people in that area. Also, when designing a light fixture for a working desk, you should consider the right angle of the lap tops.
Standards in Architectural Projects and Designs
See the amazing pictures that explains several more ideas.