this; these (fem & masc)(singular)
este / esta
that; those (fem & masc)(singular)
ese / esa
that; those (over there) (fem & masc)(singular)
aquel / aquella
this; these (fem & masc)(plural)
estos / estas
that; those (fem & masc)(plural)
esos / esas
that; those (over there)(fem & masc)(plural)
aquellos / aquellas