public square vs tract

public square and tract both are nouns.

Word	Noun	Adjective	Verb	Adverb
public square	Yes	No	No	No
tract	Yes	No	No	No

As nouns, tract is a hypernym of public square; that is, tract is a word with a broader meaning than public square:

Other hypernyms of public square include parcel, parcel of land, piece of ground, piece of land.

public square (noun)	tract (noun)
a place of assembly for the people in ancient Greece	a bundle of myelinated nerve fibers following a path through the brain
an open area at the meeting of two or more streets	a system of body parts that together serve some particular purpose
	a brief treatise on a subject of interest; published in the form of a booklet
	an extended area of land