It is understood that design has two meanings, as it is a process and a product, as a process: seek and identify the source of inspiration, plan and organize to achieve the design goals, and as a name: it is the end product of this process.

Functional design:
It is mainly related to the design function and the purpose for which it is designed, that is to say the functional aspect of clothing. When the idea is developed, the designer sets eyes on the function of the thing to design, so that the design of evening costumes differs from the design of costumes to attend a masquerade party.

Structural design:
In the field of clothing design, the structural design of the construction process and the planning of uniforms from the definition of its external structural lines and the details of its internal parts to serve the human body and its comfort using fabric in its formation, taking into account the quality of the material used in the implementation, can be woven or non-woven and knitwear because they play an important role in its durability and quality To maintain the construction of the model, the external structure and therefore its aesthetic aspect.
It is the design that is determined through several questions that lie in how to build and define the lines and shapes of the pieces to be designed, and how it combines its structural design and its function and the link between them to give the simplified form leading to the purpose for which it was designed.

Decorative design:
It is a development of the structural design with the aim of adding aesthetics or changing the exterior construction. This is done in the design of clothing in two ways, either by adding external materials to the piece of clothing such as threads and buttons without buttonholes, springs, lace ribbons, bracelets, collars, thongs without pockets, or by dyeing, printing or embroidering units with its
The division of design into functional, structural and decorative design does not mean that each of them is a separate part in itself or that they are not related to each other, but functional design must be complete for structural design and the structural design including the decorative design and at the same time complementing the functional design and expressing it and that the decorative design is a complement to the Constructive design and so on so that they use and enhance themselves