This is the 267th most frequent Korean word.
아파트
Apartment.
Here, '아파트' is used to locate and describe a particular place - an apartment.
그 아파트는 학교까지 걸어서 십 분 거리입니다.
That apartment is ten minutes away on foot from the school.
In this example, '아파트' is used to describe a general concept of housing style, prevalent in Korea.
한국에서는 아파트가 대표적인 주택 형태로 매우 흔합니다.
In Korea, apartments are a typical form of housing and are very common.
In this sentence, '아파트' refers to an 'apartment' as a type of residence that is newly constructed.