↩ 🔵 🔵 🔵 ❪✺₀❫ Portals ○ Systems Theory 𓆩⚪𓆪 ❪✺❫ Network Concepts ○ ❪✺₁❫ System Classes ○ ❪✺₂❫ System Domains ○ ❪✺₃❫ System Particulars ○ ❪✺_❫ System Subs ○ ❪✺-❫ Floating Concepts — Systems Theory ○ Feedback ○ Scalability ○ State ○ System ⚪