Design plays an essential role in housekeeping operations, particularly in hospitality establishments such as hotels, resorts, hospitals, and commercial facilities. Interior design helps create an environment that is visually appealing, comfortable, functional, and safe for guests and staff. The design of interiors involves the careful planning and coordination of various elements that together create harmony and aesthetic appeal. These elements guide housekeeping departments in maintaining cleanliness, arrangement, and overall appearance of the property. The major elements of design include line, form, color, texture, pattern, light, and space. Each of these elements contributes to the overall appearance and functionality of interiors and influences how spaces are maintained and managed by the housekeeping department. Line is one of the most fundamental elements of design. It refers to the path of a moving point and is used to define shapes, guide the eye, and create a sense of direction in a room. Lines can be vertical, horizontal, diagonal, or curved, and each type creates a different visual effect. Vertical lines give an impression of height and dignity and are often seen in tall windows, pillars, or curtains. For example, long drapes in a hotel room create a sense of elegance and make the room appear taller. Horizontal lines create a feeling of stability and relaxation and are commonly found in beds, tables, and shelves. Diagonal lines suggest movement and energy, while curved lines introduce softness and elegance, as seen in round tables or decorative arches. In housekeeping operations, understanding the effect of lines helps staff maintain symmetry in furniture arrangement and decoration. Form refers to the three-dimensional shape of objects within a space. It includes length, width, and depth, and it can be either geometric or natural. Geometric forms include shapes such as squares, rectangles, circles, and triangles, which are commonly used in furniture design and architectural structures. For instance, a rectangular bed, square cushions, or circular mirrors are examples of geometric forms in hotel rooms. Natural or organic forms are irregular and are inspired by nature, such as plants, floral arrangements, or decorative sculptures. In housekeeping management, form is important because it influences the placement and organization of furniture and accessories, ensuring that the room appears balanced and uncluttered. Color is