encaustic
ink is a mixture of a carrier and a pigment.
In encaustic painting, pigment is mixed with molten beeswax and resin to create the paint. The beeswax acts as the binder while the resin helps in hardening the paint once applied. This mixture allows for vibrant colors and a durable finish.
Surface.
Suspension (particles in liquid), emulsion (a type of suspension, where two or more un-mixable liquids are blended), or solution (solid dissolved in liquid), or even a mixture of mixture types depending upon the paint.
Ink is a mixture.
Ochre is a pigment used in paintings. It is made from iron mixed with clay.
Crayons are made of paraffin wax and pigment. The wax is hot when the pigment is added and mixed. Then the mixture is poured into crayon molds and cooled.
Gouache
Ochre pigment is a natural earth pigment containing hydrated iron oxide. It can range in color from yellow and orange to red and brown, depending on the iron oxide content. Ochre has been used since prehistoric times for cave paintings, pottery decoration, and body painting.
Colored water is a mixture of water (a liquid) and a pigment or dye (usually a liquid or solid). It is considered a homogeneous mixture because the particles are evenly distributed and do not settle out.
Pink is the mixture of red and blue LIGHT. Purple is the mix of red and blue PIGMENT.
I know that Technique art is the latin word from Thailand who invented the Paintings. Here's an example to help you keep the terms straight. The medium: Oil on canvas. Various techniques: Apply the pigment with brushes, daubbing on the canvas. Splatter the pigment by flicking the brush towards the canvas. Apply the pigment with a pallet knife. Apply the pigment with one's fingers. Smear pigment on one's body and run headlong into the canvas. Dribble the pigment onto the canvas from squeeze bottles.