घर में आंतरिक सज्जा (सजावट) मुख्य रूप से किसके हितों की अभिव्यक्ति और प्रतिबिंब है?

In interior design, what is considered the primary design function of an area rug?

Which kind of fabric-based window covering can be pleated or gathered to regulate light and privacy?

The use of yellow-orange and purple-blue colors together in interior decoration is an example of which type of color scheme?