Which concept refers to the combination of different elements to create unity in an architectural design?

The concept that refers to the combination of different elements to create unity in an architectural design is integration. Integration emphasizes the strategic arrangement and harmonious blending of various architectural components, materials, forms, and spatial elements to produce a cohesive whole. This approach ensures that the different parts of the design work together seamlessly, contributing to an overall sense of unity and purpose.

In architecture, when elements are integrated thoughtfully, they can enhance the overall aesthetic and functional qualities of a space. This may involve balancing various materials and styles to create a unified appearance or ensuring that different structural elements collaborate to support the architectural vision. Integration can lead to designs that are not only visually appealing but also functionally effective and contextually appropriate.

The other concepts, while related to design, do not specifically focus on the idea of combining different elements for unity. Variety introduces diverse elements to maintain interest, harmony refers more broadly to the pleasing arrangement of parts, and rhythm pertains to the repetition and patterning of elements in design. Each of these plays a role in architectural composition, but integration is the primary concept that emphasizes the unification of different architectural components.