Now consider salt dissolved in a glass of water.

Nobody can see the salt, but a sip tastes salty, so the salt is still there.

Salt dissolved in water: a sip tastes salty, so the salt is still there.

Now consider red drink powder, dissolved in a glass of water.

Nobody can see the grains, but the water is pale red and tastes of fruit punch, so the powder is still there.

Drink powder dissolved in water: the water is pale red, and a sip tastes of fruit punch, so the powder is still there.

A spoon of red drink powder, and a glass of water with the powder dissolved in it.