1. Gilding
Gilding is the technique of applying fine metallic-leaf or powder to solid surfaces such as wood, stone, or metal.

2. Gilding
Modern gilding is applied to a variety of surfaces and by various processes. It is used for decorating picture frames as well as general cabinet-work and decorative painting in interior design.

3. Wood stains
Unless paint is diluted, most paints are used as a solid colour finish. If the designer wishes not to hide the natural grain of a wood by painting it, he/she can use a wood stain.

4. Water-Based Stains Wood stains may be one of the following-
Oil-based
Spirit-based
Chemical-based.
These are chemical-based stains.

5. Limed wood
Limed wood has been popular in interior design for the last 20 years. It is usually applied to oak wood, where it lightens the normal yellow appearance of the wood.

6. Trompe l’oeil
Trompe l’oeil is French for 'trick the eye', is an painting technique involving extremely realistic imagery in order to create the optical illusion so that objects appear three dimensional.
Palladio, Villa Barbaro

7. Murals
A mural, sometimes referred to a public art, is a painting on a wall or a ceiling. Murals are usually big and in public places, such as the outside of a building.