❪✺❫ Concepts ○ Relationships

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• ❪✺₀❫ Portals ○
• ❪✺₁❫ Classes ○
• ❪✺₂❫ Domains ○
• ❪✺₃❫ Particulars ○
• ❪✺₄❫ Sets ○
• ❪✺_❫ Subs ○

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