Definition:
Interior decoration is the art and practice of designing the inside of a building. It involves planning how a space looks and feels, including choosing colors, furniture, fabrics, and other decorative elements to create a livable and attractive environment.
While "interior decoration" primarily refers to the design of indoor spaces, it can also imply the mood or feeling that a space creates. For example, a room with bright colors and cozy furniture may feel warm and inviting.
"Dress up" (phrasal verb): To make something look more attractive, often by adding decorations.
"Set the scene" (idiom): To create a certain atmosphere or environment.
Interior decoration is all about enhancing the beauty and functionality of indoor spaces.