i18n & Localization

Internationalization (i18n) and Localization (L10n) best practices.

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1. Core Concepts

Term	Meaning
i18n	Internationalization - making app translatable
L10n	Localization - actual translations
Locale	Language + Region (en-US, tr-TR)
RTL	Right-to-left languages (Arabic, Hebrew)

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2. When to Use i18n

Project Type	i18n Needed?
Public web app	✅ Yes
SaaS product	✅ Yes
Internal tool	⚠️ Maybe
Single-region app	⚠️ Consider future
Personal project	❌ Optional

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3. Implementation Patterns

🧠 Knowledge Modules (Fractal Skills)

1. React (react-i18next)

2. Next.js (next-intl)

3. Python (gettext)

4. DO ✅

5. DON'T ❌