contents; items inside
Refers to the contents of a container, purse, envelope, etc. Often used in formal or written contexts, such as on labels or in descriptions.
The envelope says 'Contents: documents'.
Please check the contents of the bag.
Compound of 在 (ざい, 'to exist') + 中 (ちゅう, 'inside') + 物 (ぶつ, 'thing'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning 'contents'.