, , , and are the different forms of demonstrative adjectives.

Masculine Singular: este (this)

Feminine Singular: esta (this)

Masculine Singular: estos (these)

Feminine Plural: estas (these)

Masculine Singular: ese (that)

Feminine Singular: esa (that)

Masculine Plural: esos (those)

Feminine Plural: esas (those)

Let's see some examples!

restaurante es mi favorito. This is my favorite restaurant.

¡ tacos son fantásticos! These tacos are fantastic!

Queiro libro rojo. I want that red book.

flores son bonitas. Those flowers are beautiful.

Now, it is YOUR turn to try!! (Leave your examples in the comment below!) :D