↩ 🔵 🔵 🔵 ❪✺₄❫ Information Sets ○ ❪✺_❫ Information Subs ○ ❪✺_ₛₛ₀❫ Subset Portals ○ ❪✺_ₛₛ❫ Data Subsets ○ ❪✺_ₜₛ❫ Information Typesets ○