The technique to render parts of one document within another document.
Transclusion is the technique to render parts of one document within another document.
The inclusion of part of one hypertext document in another one by means of reference rather than copying.
Wiktionary. transclusion
Supporting Macros
The most prominent macros of the projectdoc Toolbox using transclusion are the
But there are more macros that deal with transclusion: