Interior design: is the art of changing the interior space of an apartment, improving the spatial volume and walls surface treatment. After analyzing old plants of the house, and discussing with the client, the interior designer will give design directions and documents, allowing construction workers to realize an house that better match client needs. Interior designer includes:

• Analyzing client's requirements and developing design directions, documents, and drawings to outline all client needs.
• Following the interior design principles and rules, the interior designer will develop 2 or more safe, functional, aesthetically appropriate, different solutions of the space plans, including materials, colors, and finishes.
• After the client have chosen a solution, the interior designers, select also the furniture and small details of the house.
• The interior designer will prepare all construction documents, detailed plans, elevations, specifications and drawings of non structural parts, power and communications, lighting.
• He will work closely with architects, structural engineers, mechanical engineers and electrical engineers, when necessary to have the construction documents fully signed and sealed to fulfill jurisdictional requirements.
• Also the interior designer will develop all contract documents about pricing, and scheduled time for the works.

An interior designer can be specialized in a particular interior design discipline, be sure to select the right designer for your needs: residential design, commercial design, health care design etc. The ability of an interior designer is to create positive changes in everyday people's life given by changing concept, color, proportion of an house.

Home décor: is the art of decorating an house without changing the existing architecture simply choosing furniture lighting, paintings, and carpets. Each element must contribute to form an high standard of quality and create the ideal design. Most people don’t know the difference between interior decorating and interior design. Interior decorating is based on selection of furniture, finishes lighting. Interior design mostly change the architectural integrity of the house. In the past architects act as general contractor filling also interior designer role. Modern interior designers and home decorators began the 19th century without a formal training.