Describe your exposure on the left. The desk decomposes it into Barra, thematic, and idiosyncratic variance, then sizes purity-adjusted basket positions (h* = δ/π) from the live Itô baskets — with the honest coverage number, not a pretend-perfect hedge.
Cash-settled hedging against the live Itô baskets. Describe what you hold; the desk proposes a composition with the basis coverage spelled out.