What’re the differences between bitter, tangy, sour and tart?

Question

Please like why is there 4 different words for other things that are “sour”??

In: 159

Answer 1

Tangy, sour and tart are the same thing, referring to how we perceive acid.

Bitterness is how we perceive basic (i.e. high pH) substances.

In a sense they’re opposites.