↩ 🔵 🔵 🔵 ❪✺❫ Information Concepts ○ ❪✺₁₀❫ Class Portals ○ ❪✺₁𝑖❫⁺ Classes of Data ○ ❪✺₁ᵢ❫ URI Classes ○ Archive ○꠹ Language ○꠹ URI ○꠹