Identify what is ask in the following sentences.
1. It is the principle of art that refers to the formation of opposite elements like lines, shape, or color.
2. It is an example of art that obviously shows harmony in pattern and can be seen mostly today in gift wraps or other packaging materials.
3. It is the lightness or darkness of a color that can be identified as tint or shades.
4. It is the principle of art that shows how well the elements of art are put together in a product design.
5. It is used todat for better production of printing as well as designing made easy through the help of it.