Interior design training involves educating individuals on the principles and practices of designing functional and aesthetically pleasing indoor spaces. The training typically includes the following components:

1. Design Principles: Understanding the foundational elements of design, including balance, contrast, harmony, rhythm, and proportion.
2. Color Theory: Learning about color schemes, the psychology of colors, and how to effectively use color in interior spaces.
3. Space Planning: Mastering the organization and layout of interiors to maximize functionality and flow.
4. Materials and Textiles: Gaining knowledge about different materials, fabrics, finishes, and their applications in interior design.
5. Furniture Design: Studying the design and selection of furniture to complement and enhance interior spaces.
6. Lighting Design: Learning about different lighting types, techniques, and how lighting affects the mood and functionality of a space.
7. History of Interior Design: Exploring historical design styles and movements to inform contemporary practices.
8. Computer-Aided Design (CAD): Using software tools for drafting, modeling, and visualizing interior spaces.
9. Sustainability: Incorporating eco-friendly and sustainable practices in interior design.
10. Professional Practice: Understanding the business aspects of interior design, including project management, client relations, and legal considerations.

Interior design training programs may include a combination of lectures, hands-on projects, internships, and portfolio development to prepare students for a career in the field.