Which of these is NOT a basic ingredient of paint?

In art and painting, the basic ingredients of paint typically include pigment, binder, and sometimes a solvent.

Pigment provides the color in paint, while the binder is the component that holds the pigment particles together and helps the paint adhere to surfaces. The inclusion of a solvent can serve to adjust the viscosity or aid in the application process, particularly in liquid paints, making it easier to manipulate the material during painting.

Water is often used as a solvent in water-based paints, but not all paint requires water as an ingredient. Therefore, it is not universally considered a basic ingredient. Some paints may use oil or other solvents instead. Thus, it is accurate to say that water is not a fundamental ingredient for all types of paint.