箱の内側に名前が書いてある。
The name is written on the inside of the box.
内側のポケットに鍵を入れた。
I put the key in the inner pocket.
Please fold the edge of the paper inward.
The door is locked from the inside.
The runner cut his time by running on the inside of the curve.
Search-only kanji form; not a standard spelling.