Beyond tone of voice, consistent writing mechanics make our content feel polished and professional.
| Rule | Example |
|---|
| Sentence case for headings | ”Getting started with 1thay” |
| Oxford comma | ”Colors, typography, and spacing” |
| Single space after periods | Always |
| Numbers under 10 spelled out | ”Three steps” not “3 steps” |
| Contractions encouraged | ”We’re”, “you’ll”, “it’s” |
Dates: Month DD, YYYY — “January 15, 2026”
Time: 12-hour with lowercase am/pm — “2:30pm”
Currency: Symbol before amount — “$49”, “€39”
Numbers: Commas for thousands — “1,500” not “1500”
| Element | Style |
|---|
| Buttons | Verb-led, max 3 words |
| Labels | Noun or short phrase |
| Placeholders | Example only, not instructions |
| Errors | What happened + how to fix |
| Empty states | Friendly, action-oriented |
| Context | Rule |
|---|
| Product names | Title case: “1thay design system” |
| Features | Sentence case: “Dark mode” |
| Navigation | Sentence case: “Getting started” |
| Page titles | Sentence case: “About our team” |