A house or dwelling; a place where people live.
駅から歩いて五分のところに新しい家を買った。
I bought a new house five minutes' walk from the station.
雨が強いので家にいます。
The rain is heavy, so I'm staying at home.
その古い家は歴史的価値がある。
That old house has historical value.
A family or household; the people who live together under one roof.
彼は三人家の長男だ。
He is the eldest son in a family of three.
家を支えるために毎日働いている。
He works every day to support his family/household.
A family line or clan name; used like 'the X family' (e.g., Tokugawa-ke).
徳川家は江戸時代に幕府を開いた一族だ。
The Tokugawa family was the clan that established the shogunate in the Edo period.
彼は名門の家に生まれた。
He was born into a prestigious family.