What does «adjetivo» mean in Spanish?

Referring to a quality or accident.
Pertaining to the adjective.
The colors that can only be fixed to a fabric in the presence of other substances called mordants.
(adjetivo calificativo) Expresses quality, e.g., studious child.
(adjetivo demostrativo o Mostrativo) Indicates the extent to which the noun is taken, e.g., this, that, that, etc.
(adjetivo posesivo) Indicates possession or ownership, e.g. my, your, yours, their, etc.
(adjetivo numeral o Cardinal, Ordinal, Múltiplo, Partitivo) Indicates number, e.g. three (cardinal), third (ordinal), triple (partitive).
(adjetivo indefinido) It does not indicate a fixed quantity, they are vague words. E.g.: many, few, nobody, etc.