Keep in a pick only what reads of its name address, look frames up on the stack alone, and refuse a name read once whole

doc.go

@@ -27,9 +27,9 @@ package fejkdata
 //     an expansion holds a sibling path's head and an operand's field, its draw
 //     group a reference path's: `formatOps.held` and `heldCheck` an expansion's,
 //     `readReference` a draw group's.
-//   - named pick — one draw of a reference a binding token, {ref as n}, gives a name, kept for one
-//     render of the scope it is bound in, a category or a repeat iteration, and drawn on its
-//     first read: `nameBinding`, `nameScope`, `namedPick`, `pickFrame`.
+//   - named pick — the draw a token such as {/person as p} binds to a name. It is drawn on its
+//     first read and kept while its scope renders: a category, or one repeat iteration.
+//     `nameBinding`, `nameScope`, `namedPick`, `pickFrame`.
 //   - memo — what a hold, a draw group or a named pick keeps its draws in, the variant drawn at
 //     each level and the value each path read: `drawMemo`, `readMemo`.
 //   - draw group — reference draws kept apart inside one render: