The inner part or depths of something (e.g., the back of a drawer, the depths of a forest, the back of the throat).
タンスの奥から古い手紙が出てきた。
An old letter came out from the back of the wardrobe.
森の奥へ入ると静かになる。
It gets quiet when you go into the depths of the forest.
喉の奥が痛くて食べにくい。
The back of my throat hurts and it's hard to swallow.
The inner room or living quarters at the back of a house; an inner chamber.
客間の奥に仏間がある。
There is a butsuma (altar room) at the back of the guest room.
台所は家の奥にあります。
The kitchen is at the back of the house.
The depths or recesses of the mind; the inner meaning or deeper aspect of something (e.g., the heart of words or the mysteries of an art).
彼女の言葉の奥には深い悲しみが隠れていた。
A deep sadness was hidden behind her words.
この茶道の奥を理解するには長い修行が必要だ。
It takes long practice to understand the depths of this tea ceremony art.