Adjectives describe people and things. Demonstrative adjectives in English are: this, that, these, and those. There are only four in English
Demonstrative Adjectives There are 8 in Spanish, because of gender. They come before the noun and they have the same gender and number as the noun they describe.
Singular este vestidothis dress esta blusathis blouse ese suéterthat sweater esa sudaderathat sweatshirt aquél librothat book over there aquella puertathat door over there
Plural estos vestidosthese dresses estas blusas these blouses esos suéteresthose sweaters esas sudaderasthose sweatshirts aquellos libros those books over there aquellas puertas those doors over there