Inclosure and Written document

Inclosure noun - Something (usually a supporting document) that is enclosed in an envelope with a covering letter.

Written document and inclosure are semantically related. In some cases you can use "Written document" instead a noun "Inclosure".

Written document noun - Writing that provides information (especially information of an official nature).

Inclosure and written document are semantically related. Sometimes you can replace term "Inclosure" with "Written document", this terms are similar.