# 03 · Typography

**PRINCIPLE** — Light, then decisive.

**RULE** — Montserrat for Latin, Alexandria for Arabic, both variable 100–900 (used: 300/400/500/600/700). Headlines Light 300 with one Bold 700 phrase. Labels 600 caps with 0.12em tracking (Arabic: no caps, no tracking).

**WHEN TO USE** — All brand communication.

**WHEN NOT TO USE** — System fonts in artwork; Alexandria for English text.

**DO**
- Tabular figures for numbers
- Arabic line-height 1.5–1.9
- Isolate Latin names inside Arabic lines

**DON’T**
- All-caps headlines
- More than one bold phrase
- Synthetic bold/italic

**EXAMPLE** — See board Type scale (04, 20).