# 10 · Bilingual · markets

**PRINCIPLE** — One system, two directions, two markets.

**RULE** — Arabic layouts mirror with logical properties; Egyptian colloquial for Egypt, MSA for KSA. Arabic greeting first on occasions. Latin branch names isolated in Arabic lines.

**WHEN TO USE** — Every surface published in Arabic.

**WHEN NOT TO USE** — Machine-translated copy.

**DO**
- Write Arabic natively
- Keep numerals consistent within a surface (policy N-7 open)

**DON’T**
- Mixing directions without isolation
- Latin fonts for Arabic

**EXAMPLE** — See board Typography (04), web (15).