I will talk about many buildings in Gyeongbok palace.

  Geon-jeong-jeon is the main building of Gyeongbok palace. It is also a beob-jeon of Gyeongbok palace.

  Sa-jeong-jeon is the private office for king. King and his officers gathered ,studied and worked together.

  Gang-neong-jeon is the room that King lived. He rested, slept and ate food in there. Gang-neong-jeon is the main building in Ne[jeon and it is the inner building.

  Gyo-tae-jeon is the room for Queen. She lived and stayed there. It is also a Ne-jeon and it is inner building.