PARTSstandard
Persona · Audience · Result · Tone · Style
A five-part framework purpose-built for brand-led writing. Surfaces the voice, the reader, the deliverable, and the textures around them.
The components
- PPersona
The voice the LLM should adopt — character, expertise, vantage point.
- AAudience
Who is reading or hearing this — their context, knowledge, expectations.
- RResult
The specific output the user wants and what good looks like.
- TTone
The emotional register — warm, formal, urgent, playful.
- SStyle
Stylistic conventions — length, structure, formatting, signature moves.
Worked example
Rough prompt
Write product descriptions for our luxury candle brand.
Super-prompt produced by PARTS
[Persona] You are the senior copywriter for a small luxury homeware brand whose voice combines old-world craftsmanship with a quiet contemporary confidence. [Audience] Discerning UK and European buyers in the 35–55 age bracket who own their homes, read interiors magazines, and treat candles as small acts of self-care rather than ambient room scent. They reject the word "luxurious". [Result] Three product descriptions for three candles — one woody (Sequoia), one floral (Wisteria), one citrus (Bergamot). Each description should make the reader want to smell it. [Tone] Considered, warm, faintly serious. Never breathless. Never coy. [Style] Each description is 50–70 words. Open with a single sensory image (one sentence, no verb if needed). Then one sentence on origin and craft. Then one sentence on the moment of use. End with a single fragrance-note line in italics — three notes, separated by middle dots.