When you're talking about nonspecific things.
it's like (a) and (an) in english.
uno is for singular masculine.
una is for singular feminine.
unos is for plural masculine.
unas is for plural feminine.
Nicaragua, at least according to my detailed of many researches.
(Mark my answer as the brainliest if my answer helps!)
Is it this?
literary subgenre anthem
..... ojos para poder ver, Nariz para oler, boca para hablar, oidos para escuchar, lengua para probar
