There are seventeen (17) structural devices:
Absence—An intentional omission of scripture indicating something is missing.
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.
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.
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.
Opening summary—An emphatic summarization near the beginning of a literary unit.
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 the literary unit not at beginning or end.
Transposition—A juxtaposition of elements from their normal sequence.
Variation—When to otherwise corresponding elements have somewhat different themes.