@@ -308,8 +308,8 @@ public void declare_presentation_viewText() { /* metaobjects.declare.presentatio
     [Fact(Skip = "unfilled slot — write an assertion that fails when: A paragraph edited through a one-line control, so the author cannot see what they have written.")]
     public void declare_presentation_viewTextarea() { /* metaobjects.declare.presentation.viewTextarea */ }
 
-    // Rich content — A rich-content control declares that a value is edited as formatted web content rather than as plain text.
-    [Fact(Skip = "unfilled slot — write an assertion that fails when: Formatted content edited as plain text, so its markup is shown to the author instead of applied.")]
+    // Web-rendered view base — An abstract base groups the views that render in a browser, so what they share is declared once rather than on each of them.
+    [Fact(Skip = "unfilled slot — write an assertion that fails when: A property common to every browser-rendered view restated on each one, where adding a view means remembering to restate it again.")]
     public void declare_presentation_viewWeb() { /* metaobjects.declare.presentation.viewWeb */ }
 
     // Aggregation — An aggregation declares that one object groups others which outlive it.
 
@@ -382,9 +382,9 @@ void declare_presentation_viewText() { /* metaobjects.declare.presentation.viewT
     @Disabled("unfilled slot — write an assertion that fails when: A paragraph edited through a one-line control, so the author cannot see what they have written.")
     void declare_presentation_viewTextarea() { /* metaobjects.declare.presentation.viewTextarea */ }
 
-    // Rich content — A rich-content control declares that a value is edited as formatted web content rather than as plain text.
+    // Web-rendered view base — An abstract base groups the views that render in a browser, so what they share is declared once rather than on each of them.
     @Test
-    @Disabled("unfilled slot — write an assertion that fails when: Formatted content edited as plain text, so its markup is shown to the author instead of applied.")
+    @Disabled("unfilled slot — write an assertion that fails when: A property common to every browser-rendered view restated on each one, where adding a view means remembering to restate it again.")
     void declare_presentation_viewWeb() { /* metaobjects.declare.presentation.viewWeb */ }
 
     // Aggregation — An aggregation declares that one object groups others which outlive it.
 
@@ -382,9 +382,9 @@ class RequirementHarnessTest {
     @Disabled("unfilled slot — write an assertion that fails when: A paragraph edited through a one-line control, so the author cannot see what they have written.")
     fun declare_presentation_viewTextarea() { /* metaobjects.declare.presentation.viewTextarea */ }
 
-    // Rich content — A rich-content control declares that a value is edited as formatted web content rather than as plain text.
+    // Web-rendered view base — An abstract base groups the views that render in a browser, so what they share is declared once rather than on each of them.
     @Test
-    @Disabled("unfilled slot — write an assertion that fails when: Formatted content edited as plain text, so its markup is shown to the author instead of applied.")
+    @Disabled("unfilled slot — write an assertion that fails when: A property common to every browser-rendered view restated on each one, where adding a view means remembering to restate it again.")
     fun declare_presentation_viewWeb() { /* metaobjects.declare.presentation.viewWeb */ }
 
     // Aggregation — An aggregation declares that one object groups others which outlive it.
 
@@ -377,8 +377,8 @@ def test_declare_presentation_viewText():
 def test_declare_presentation_viewTextarea():
     """metaobjects.declare.presentation.viewTextarea"""
 
-# Rich content — A rich-content control declares that a value is edited as formatted web content rather than as plain text.
-@pytest.mark.skip(reason="unfilled slot — write an assertion that fails when: Formatted content edited as plain text, so its markup is shown to the author instead of applied.")
+# Web-rendered view base — An abstract base groups the views that render in a browser, so what they share is declared once rather than on each of them.
+@pytest.mark.skip(reason="unfilled slot — write an assertion that fails when: A property common to every browser-rendered view restated on each one, where adding a view means remembering to restate it again.")
 def test_declare_presentation_viewWeb():
     """metaobjects.declare.presentation.viewWeb"""
 
 
@@ -377,9 +377,9 @@ test.skip("metaobjects.declare.presentation.viewTextarea", () => {
   // unfilled slot — write an assertion that fails when: A paragraph edited through a one-line control, so the author cannot see what they have written.
 });
 
-// Rich content — A rich-content control declares that a value is edited as formatted web content rather than as plain text.
+// Web-rendered view base — An abstract base groups the views that render in a browser, so what they share is declared once rather than on each of them.
 test.skip("metaobjects.declare.presentation.viewWeb", () => {
-  // unfilled slot — write an assertion that fails when: Formatted content edited as plain text, so its markup is shown to the author instead of applied.
+  // unfilled slot — write an assertion that fails when: A property common to every browser-rendered view restated on each one, where adding a view means remembering to restate it again.
 });
 
 // Aggregation — An aggregation declares that one object groups others which outlive it.
 
@@ -1475,16 +1475,29 @@ metadata.root:
                             submit because there was no way to carry it.
                       - requirement.functional:
                           name: viewWeb
-                          title: Rich content
+                          title: Web-rendered view base
                           level: 4
                           status: live
                           statement: >-
-                            A rich-content control declares that a value is
-                            edited as formatted web content rather than as
-                            plain text.
+                            An abstract base groups the views that render in a
+                            browser, so what they share is declared once rather
+                            than on each of them.
                           counterexample: >-
-                            Formatted content edited as plain text, so its
-                            markup is shown to the author instead of applied.
+                            A property common to every browser-rendered view
+                            restated on each one, where adding a view means
+                            remembering to restate it again.
+                          notes: >-
+                            First authored as a rich-content control, which is
+                            wrong, and the mistake is recorded because nothing
+                            could have caught it. Two shipped artifacts call this
+                            an abstract base — its own registry description and
+                            the constant naming it — while a third counts it
+                            among the generic view controls, and STRUCTURALLY it
+                            is indistinguishable from a concrete one: no entry in
+                            this provider carries an abstract flag, so a base and
+                            a control differ only in prose. The coverage gate
+                            checks that a name derives a registered subtype and
+                            can never check what the requirement SAYS about it.
                       - requirement.functional:
                           name: viewImage
                           title: Image upload
 
@@ -33,7 +33,8 @@
 //        - INHERITANCE_ANCHOR the `metadata.base` per-port abstract anchor (the
 //                           deferred `inheritsFrom` facet; other ports register
 //                           only the concrete `metadata.root`).
-//        - PRESENTATION_ONLY the 13 generic `view.*` controls (checkbox/date/…)
+//        - PRESENTATION_ONLY the 13 generic `view.*` entries — 12 controls
+//          (checkbox/date/…) plus the `web` abstract base
 //                           — a TS-web presentation facet (TS web client + TS
 //                           form codegen consume them; zero backend/codegen/
 //                           render consumers in any port), like the TS-only `D1`
@@ -127,7 +128,8 @@ export const EXCLUDED_PER_TYPE_ATTRS: ReadonlyMap<string, ExclusionReason> = new
 /**
  * `(type, subType)` rows carved OUT of the agreed vocabulary, with reason.
  * `metadata.base` is the per-port inheritance anchor (INHERITANCE_ANCHOR); the
- * 13 generic `view.*` controls are TS-web-presentation-only (PRESENTATION_ONLY).
+ * 13 generic `view.*` entries — 12 controls plus the `web` abstract base — are
+ * TS-web-presentation-only (PRESENTATION_ONLY).
  * Returns the reason, or `undefined` for an INCLUDED (logical) row.
  */
 export function classifyTypeSubType(