- Interior is the art of processing the inner space of architecture. Interior design includes the work from planning, arranging and arranging the interior spaces of the building, in order to satisfy basic requirements and create favorable conditions for human life.
- In interior design, the selection of objects is arranged into three-dimensional spaces according to the function of use. The relationship between aesthetic factors will ultimately be determined by the way the quality assessment is appropriate for the internal space and its influence on human perception in its use. .

- In addition, interior design is associated with the art of shaping products with growing scale. Elements of an interior space that are a combination of proportions, lines, pieces, shapes, colors, materials, lighting and the proportion of components such as ceilings, walls, floors and of furniture. These factors are closely linked to create a complete and synchronized space to show the efficiency of the work.
- In interior design, the selection of objects is arranged into three-dimensional spaces according to the function of using strong aesthetics. The relationship between these aesthetic factors will ultimately be determined by how the quality assessment will be appropriate for the internal space and its influence on human perception in the use of use it. However, the limitation of interior design is difficult to determine precisely, because it depends on the relevance of the architecture with the production design (including the shape with the use of the materials as well as the materials). with production technology).
- Up to now, interior design is still associated with the art of product shaping with increasing development scale. The constituent element of an interior space is a combination of proportions, lines, Plate pieces, cubes, colors, materials, lighting and proportions. Those factors are closely connected to create a complete, synchronized space, showing the content of the work. Therefore, an interior building must meet the following requirements regardless of its nature:
Functionality
- The works must meet the usable functions, the designed functions must be satisfied and its purposes must be complete.
Pragmatic and economical
- Works must satisfy the pragmatic and use materials suitable to the properties of the works.
Aesthetics
- Design must create aesthetic interest for the way of looking and commenting.
Images and meanings
- A design needs to evoke an image that makes users enjoy and relate to its inner meaning. It affects the emotional feelings of the person.