Interior design is the art and science of enhancing the Interior of a space to make it more functional and aesthetically pleasing for the people using it. It involves the use of color, texture, lighting, and furnishings to create a harmonious and inviting environment. The fundamentals of interior design include:

Space Planning: This involves analyzing and optimizing the use of space in a room or building to meet the client's needs. The Designer will consider the function of the space, the flow of traffic, and the placement of furniture and other elements to create an efficient and comfortable environment.

Color: The use of color can have a profound effect on the mood and atmosphere of a space. Designers must understand color theory and be able to choose colors that will work well together and complement the client's personal style.

Lighting: Lighting can greatly affect the mood and functionality of a space. Designers must consider the natural light available, as well as the placement and type of artificial lighting, to create a space that is both functional and visually appealing.

Texture: Designers must consider the different textures of materials such as fabrics, flooring, and wall coverings, and choose those that will complement each other and create a cohesive look.

Furnishings: The selection of furniture and accessories can greatly impact the overall look and feel of a space. Designers must consider the style, scale, and function of each piece, as well as how they will work together to create a cohesive design.

Style: Interior design encompasses a wide range of styles, from traditional to contemporary. Designers must understand the different styles and be able to create a design that reflects the client's personal taste and style.

Sustainability: Sustainable design is becoming increasingly important in interior design. Designers must consider the environmental impact of their choices and choose materials and products that are eco-friendly and sustainable.

Overall, the fundamentals of interior design involve creating a space that is both functional and aesthetically pleasing while reflecting the client's personal style and considering environmental sustainability.