In this; within this content, context, or thing.

Above this, in this document. / Earth and heaven (here and above).

In the parts of this document, statement, or book that follow; after this

(formal) In a preceding part of this speech, book, or text; before this.

Into this circumstance, matter, place, or situation; into this.

In and under this (of a clause to follow later in a document, etc.).

Synonym of hereinunder

(in metatextual self-reference) Elsewhere herein; elsewhere in this document.