# Enhanced Amazon Product Metadata Index
    
    Comprehensive searchable index containing:
    - Base metadata for all products
    - Category hierarchy index with aliases
    - Price range index with multiple granularities
    - Keyword index with enhanced product terms
    - Brand index with known brand aliases
    
    Features:
    - Improved category matching
    - Better brand recognition
    - Enhanced keyword generation
    - Multiple price range granularities
    - Normalized text descriptions
    
    Use for advanced product search and filtering capabilities.