diff --git a/crates/improvise-io/src/persistence/export.rs b/crates/improvise-io/src/persistence/export.rs
index c5a8b978..fb5fdf91 100644
--- a/crates/improvise-io/src/persistence/export.rs
+++ b/crates/improvise-io/src/persistence/export.rs
@@ -106,6 +106,34 @@ mod tests {
         );
     }
 
+    #[test]
+    fn export_csv_writes_displays_in_every_header_and_label() {
+        let mut m = Workbook::new("T");
+        for cat in ["Type", "Month", "Payer"] {
+            m.add_category(cat).unwrap();
+        }
+        m.add_item("Type", "Food").unwrap();
+        m.add_item("Month", "Jan").unwrap();
+        m.add_item("Payer", "Alice").unwrap();
+        m.model.set_cell(
+            coord(&[("Type", "Food"), ("Month", "Jan"), ("Payer", "Alice")]),
+            CellValue::Number(1.0),
+        );
+        let ty = m.model.category_mut("Type").unwrap();
+        ty.set_display("Kind");
+        ty.set_item_display("Food", "Groceries");
+        m.model
+            .category_mut("Month")
+            .unwrap()
+            .set_item_display("Jan", "January");
+        let payer = m.model.category_mut("Payer").unwrap();
+        payer.set_display("Who");
+        payer.set_item_display("Alice", "Alicia");
+        let bytes = super::render_csv(&m, "Default").unwrap();
+        let text = String::from_utf8(bytes).unwrap();
+        assert_eq!(text, "Kind (Who=Alicia),January\nGroceries,1.00\n");
+    }
+
     /// Bug improvise-1cz: bare-comma joining and an ignored number format
     /// corrupted every row. Evidence: `context/test-evidence/formula-and-io.md`.
     #[test]
diff --git a/crates/improvise-protocol/src/resolve.rs b/crates/improvise-protocol/src/resolve.rs
index 13aa525b..8f389e95 100644
--- a/crates/improvise-protocol/src/resolve.rs
+++ b/crates/improvise-protocol/src/resolve.rs
@@ -4071,6 +4071,48 @@ mod tests {
         );
     }
 
+    /// ADR 007: the bar shows displays and a pick composes the KEY at that index.
+    #[test]
+    fn picking_a_displayed_page_item_still_names_its_key() {
+        let mut state = paged();
+        state.grid.page_coords[1].cat_display = "Period".into();
+        state.grid.page_coords[1].item_displays =
+            Some(["First", "Second", "Third", "Fourth"].map(String::from).to_vec());
+        let commands = click(&state, Click::PageItem { axis: 1, item: 1 });
+        let [Command::Model { cmd: ModelCommand::SetPageSelection { category, item, .. }, .. }] =
+            commands.as_slice()
+        else {
+            panic!("expected one page selection, got {commands:?}");
+        };
+        assert_eq!((category.as_str(), item.as_str()), ("Quarter", "Q2"));
+    }
+
+    /// The frame shows an item under its display; hiding it names the key.
+    #[test]
+    fn hiding_a_displayed_row_item_names_its_key() {
+        let mut state = in_mode(AppMode::Normal);
+        crate::WidgetCache::apply(&mut state.basis, &published());
+        state.grid.row_frame = crate::AxisFrame {
+            cats: vec!["Region".into()],
+            cat_displays: vec!["Sales Area".into()],
+            first: 0,
+            entries: vec![crate::FrameEntry::Item {
+                tuple: vec!["East".into()],
+                display: vec!["Eastern Seaboard".into()],
+                collapsed: false,
+            }],
+        };
+        let KeyOutcome::Local(commands) = resolve(&state, ev(KeyCode::Char('H'))) else {
+            panic!("hiding resolves here");
+        };
+        let [Command::Model { cmd: ModelCommand::HideItem { category, item, .. }, .. }] =
+            commands.as_slice()
+        else {
+            panic!("expected one hide, got {commands:?}");
+        };
+        assert_eq!((category.as_str(), item.as_str()), ("Region", "East"));
+    }
+
     /// A Filter axis is on the bar and offers nothing to pick (gotcha 27).
     /// Offering a menu that cannot act is worse than offering none.
     #[test]
diff --git a/crates/improvise-wasm-client/src/render.rs b/crates/improvise-wasm-client/src/render.rs
index 25467947..3e168b4c 100644
--- a/crates/improvise-wasm-client/src/render.rs
+++ b/crates/improvise-wasm-client/src/render.rs
@@ -883,6 +883,79 @@ mod tests {
         assert!(views[0].active, "the active view is still found by its key");
     }
 
+    #[test]
+    fn the_grid_page_bar_and_item_rows_paint_displays() {
+        use improvise_protocol::{AxisFrame, CategoryItem, FrameGroup};
+        let mut client = init();
+        let state = client.state_mut();
+        let shown = |key: &str, display: &str| FrameEntry::Item {
+            tuple: vec![key.into()],
+            display: vec![display.into()],
+            collapsed: false,
+        };
+        state.fold(&Command::Project(Projection::Grid(GridUpdate::RowFrame(
+            AxisFrame {
+                cats: vec!["Region".into()],
+                cat_displays: vec!["Sales Area".into()],
+                first: 0,
+                entries: vec![
+                    FrameEntry::Group(FrameGroup {
+                        level: 0,
+                        depth: 0,
+                        name: "Coastal".into(),
+                        display: "Shoreline".into(),
+                        collapsed: false,
+                    }),
+                    shown("East", "Eastern Seaboard"),
+                ],
+            },
+        ))));
+        state.fold(&Command::Project(Projection::Grid(GridUpdate::ColFrame(
+            AxisFrame {
+                cats: vec!["_Measure".into()],
+                cat_displays: vec!["_Measure".into()],
+                first: 0,
+                entries: vec![shown("Revenue", "Sales")],
+            },
+        ))));
+        state.fold(&Command::Project(Projection::Grid(GridUpdate::PageCoords(
+            vec![PageAxis {
+                cat: "Quarter".into(),
+                cat_display: "Period".into(),
+                selected: "Q1".into(),
+                selected_display: "First".into(),
+                items: Some(vec!["Q1".into(), "Q2".into()]),
+                item_displays: Some(vec!["First".into(), "Second".into()]),
+            }],
+        ))));
+        state.fold(&Command::Project(Projection::CategoryTree(
+            CategoryTreeUpdate::Categories(vec![CategoryRow {
+                name: "Region".into(),
+                display: "Sales Area".into(),
+                items: vec![CategoryItem {
+                    name: "East".into(),
+                    display: "Eastern Seaboard".into(),
+                }],
+                axis: Axis::Row,
+            }]),
+        )));
+        state.view.expanded_cats.insert("Region".into());
+        let model = client.model();
+        assert!(matches!(
+            &model.rows[0],
+            RenderRow::Group { label, .. } if label == "Shoreline"
+        ));
+        assert!(matches!(
+            &model.rows[1],
+            RenderRow::Data { labels, .. } if labels == &vec!["Eastern Seaboard".to_string()]
+        ));
+        assert_eq!(model.col_levels, vec![vec!["Sales".to_string()]]);
+        let bar = &model.page_coords[0];
+        assert_eq!((bar.cat.as_str(), bar.selected.as_str()), ("Period", "First"));
+        assert_eq!(bar.cycle.as_ref().unwrap().items, vec!["First", "Second"]);
+        assert_eq!(model.categories[1].label, "Eastern Seaboard");
+    }
+
     fn client_with_panels() -> Client {
         let mut client = init();
         client
diff --git a/src/ui/grid.rs b/src/ui/grid.rs
index d708b4ad..9e03a96a 100644
--- a/src/ui/grid.rs
+++ b/src/ui/grid.rs
@@ -884,6 +884,27 @@ mod tests {
         assert_eq!(text, GROUPED_FRAME, "\n--- got ---\n{text}\n--- end ---");
     }
 
+    #[test]
+    fn the_frame_and_page_bar_draw_displays_not_keys() {
+        let mut m = grouped_model();
+        let region = m.model.category_mut("Region").unwrap();
+        region.set_item_display("East", "Eastward");
+        region.set_group_display("Coastal", "Bay");
+        let month = m.model.category_mut("Month").unwrap();
+        month.set_item_display("Jan", "Janv");
+        month.set_group_display("Q1", "Qa");
+        let payer = m.model.category_mut("Payer").unwrap();
+        payer.set_display("Who");
+        payer.set_item_display("Alice", "Alicia");
+        let text = buf_text(&render(&mut m, 60, 16));
+        for shown in ["Who = Alicia", "Eastward", "▼ Bay", "Janv", "▼ Qa"] {
+            assert!(text.contains(shown), "{shown:?} missing:\n{text}");
+        }
+        for key in ["Payer", "Alice]", "East ", "Coastal", "Jan ", "Q1"] {
+            assert!(!text.contains(key), "the key {key:?} was drawn:\n{text}");
+        }
+    }
+
     /// Re-pinned for improvise-0o6x: the leading `▼ Co…` is the ONE line that
     /// moved, and its absence was the bug. context/test-evidence/tui.md.
     const GROUPED_FRAME: &str = concat!(