가구나

In a sentence

• 이 가구나 저 가구나 모두 좋아 보여요.

  This furniture or that furniture, they all look nice.

  Here, '가구나' is used to mean 'furniture or', suggesting a choice between the mentioned items.

• 가구나 장식품을 고를 때 신중해야 합니다.

  When selecting furniture or decorative items, you should be careful.

  In this sentence, '가구나' indicates examples of items being considered, implying one among the listed types.

• 새로운 방을 꾸밀 때는 가구나 색상을 잘 조합해야 해요.

  When decorating a new room, you need to combine furniture and colors well.

  Here, '가구나' is used to present furniture as one of the elements to be considered, associated with the room decoration.