noun
hub document
Computing term for a central document that links to or organizes related documents, often in a hypertext or web context.
このサイトの中核文書には、すべての主要ページへのリンクが含まれている。
The hub document on this site contains links to all the main pages.
Compound of 中核 (core, nucleus) and 文書 (document). The exact origin as a computing term is uncertain; it is a straightforward kanji compound.