Who changes, and what the change argues
The Craft Behind the Story (Second Edition) — Chapter 12. Part III: The Architecture of the Whole.
In brief. An arc is a change in the grounds on which a character chooses, and a theme is the question that a book’s choices answer. The chapter treats them together because they are one structure seen from two sides. A protagonist’s change becomes visible only at a decision that costs something under the old grounds, and the book’s theme is what that decision argues once it is set beside the different answers other characters give. The chapter’s tools are the criterion log, which records the rule behind each of a character’s largest decisions and finds where, or whether, the rule changes, and the answer map, which writes each major character’s rule as an answer to the book’s question. Use the chapter when readers say a protagonist does not change or changes unconvincingly, when a book’s meaning is stated rather than felt, or when you can say what your book is about only as a topic.
What you can do after this chapter
- Name the rule by which your protagonist chooses at the start of the book and at the end, and find the decision at which it changes.
- Distinguish an arc that is chosen from one that is announced, and a change that costs something from one that is free.
- Choose among five kinds of arc, including the arcs that hold or refuse change.
- Put your book’s theme as a question, and see which of your characters answer it and how.
- Diagnose an arc or a theme that is not working and revise it by rearranging decisions rather than adding statements.
Key terms
Arc; criterion and hinge; want and need; flat and round characters; the lie; self-revelation; premise and controlling idea; moral argument; theme and the thematic question; motif; the five arcs (conversion, staged, falling, steadfast and refused); the four carriers of theme (decision, variation, motif and statement); the criterion log; the answer map; the seed; the mirror moment; the constant; enactment; the announced arc; the free hinge; the scheduled arc; the revoked arc; the sermon. Each is defined at first use and collected in the consolidated glossary.
Contents
The first files say what an arc and a theme are and where the ideas come from, the central files how a change is built and how a theme is carried, and the last are for use at the desk.
- The Problem
A household ending in which one sister’s change is announced and the book’s meaning is spoken aloud, and the chapter’s claim - Definitions
Arc, criterion, hinge and theme, and the terms around them - How It Works
Why choice reveals character, which characters need to change, where the arc models come from, what a theme is, and what the evidence says - The Taxonomy
Five kinds of arc, named for what happens to the criterion, and four carriers of theme - The Mechanism
How a change is seeded, priced, made and confirmed, and how a theme is argued through several characters - Diagnostic Tests
Eight questions on one page, and how to read their failures together - Failure Patterns
Five recurrent failures, each with a work that commits it and succeeds - Worked Analyses
Emma, Gilead, A Man Called Ove and The Godfather, and the household revision case - Checklist and Exercises
The revision checklist and five exercises for your own draft - Coda
What the model assumes, and why theme is decided by arrangement
A writer in revision can start at the diagnostic tests. A writer planning a book should read the mechanism first, because a criterion log is easier to draft before the decisions are written than to impose on them afterwards.
The full treatment
This is a new chapter, so the Reference layer holds a single full treatment rather than a corrected original: the theory at greater length, with the arc models compared in a table, an extended catalogue of arcs and failure patterns, further analyses (Project Hail Mary, The Kite Runner and Paddington 2), the household arc and answer map in full, a glossary of the chapter’s terms and the sources.
See also: Scene and Sequel (Chapter 2), where the criterion and the hinge are defined at the scale of a single decision; The Middle (Chapter 11), whose midpoint is the plot-side counterpart of the arc’s first failure; The Subplot (Chapter 14), for thematic counterpoint between threads; The Ending (Chapter 16), where character-arc completion and thematic closure fall due.