Yes you are right.
In general, a colloid or colloidal dispersion is a substance with components of one or two phases, a type of mixture intermediate between a homogeneous mixture (also called a solution) and a heterogeneous mixture with properties also intermediate between the two.
Eg.- butter, blood, milk, cream, aerosols (fog, smog, smoke), asphalt, inks, paints, glues, and sea foam
A suspension is a colloidal dispersion (mixture) in which a finely-divided species is combined with another species, with the former being so finely divided and mixed that it doesn't rapidly settle out.
Eg- Mayonnaise, Gelatin ,milk of magnesia
A solution is a homogeneous mixture composed of two or more substances, known as solutes, dissolved in another substance, known as a solvent. A common example is a solid, such as salt or sugar, dissolved in water, a liquid. Gases may dissolve in liquids, for example, carbon dioxide or oxygen in water. Liquids may dissolve in other liquids and gases in other gases.
Eg-antibiotics
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