There are thirty (30) structural devices:
Absence—An intentional omission of scripture indicating something is missing.
Beginning marker—Indicates the start of a new literary unit.
Chiasm—An A-B-C-X-C'-B'-A' or A-B-C-C'-B'-A' type of arrangement.
Chiasm (imperfect)—An asymmetric chiasm with an absence, extra, or transposition.
Chiasm substructure—A chiastic-shaped sub-unit of an element, may be asymmetric.
Closing summary—An emphatic summarization that concludes a basic structure.
Composite—The combination of two or three basic structures within a literary unit.
Drill—A mechanism to connect a related literary unit, similar to a hyperlink.
Ending marker—Indicates the end of a literary unit or a substructure.
Extra—An intentional insertion of an element where the corresponding element is blank.
Frame—Two elements with a common theme that surround elements in a structure.
Immediate repetition—An A-A'-B-B' or A-A'-B-B'-C-C' type of arrangement.
Immediate repetition substructure—A sub-unit of an element, shaped like a-a'-b-b'.
Imperative—A strongly worded directive or command, presented as a verb.
Interjection—Behold, the following words are important!
Link—A connection of an O.T. pericope from the N.T. which adds emphasis to the New.
List—An A-B-C-D-E or 1-2-3-4-5 type of arrangement.
List substructure—An a-b-c-d-e or 1-2-3-4-5 shaped sub-unit of an element.
Opening summary—An emphatic summarization near the beginning of a literary unit.
Parallel symmetry—A step-like A-B-C-X-A'-B'-C' or A-B-C-A'-B'-C' arrangement.
Parallel symmetry (imperfect)—An asymmetric parallel symmetry with absence, extra, etc.
Parallel symmetry substructure—A step-like sub-unit of an element, may be asymmetric.
Parenthesis—An annotation to the text that explains tangential yet relevant information.
Preliminary—Background information normally located near the beginning of the pericope.
Question—A narrative request for clarification to another, or a rhetorical question.
Structure split—Occurs when a literary unit is continued at a later point in the book.
Substructure summary—An opening or closing summarization within a substructure.
Sub-unit marker—Marks a change within a literary unit not at beginning or end.
Transposition—A re-ordering of elements from their normal sequence.
Variation—When to otherwise corresponding elements have somewhat different themes.