diff --git a/documentation/explanation/actions.md b/documentation/topics/actions.md
similarity index 100%
rename from documentation/explanation/actions.md
rename to documentation/topics/actions.md
diff --git a/documentation/explanation/data-layers.md b/documentation/topics/data-layers.md
similarity index 100%
rename from documentation/explanation/data-layers.md
rename to documentation/topics/data-layers.md
diff --git a/documentation/explanation/expressions.md b/documentation/topics/expressions.md
similarity index 100%
rename from documentation/explanation/expressions.md
rename to documentation/topics/expressions.md
diff --git a/documentation/explanation/managing-relationships.md b/documentation/topics/managing-relationships.md
similarity index 100%
rename from documentation/explanation/managing-relationships.md
rename to documentation/topics/managing-relationships.md
diff --git a/documentation/explanation/policies.md b/documentation/topics/policies.md
similarity index 100%
rename from documentation/explanation/policies.md
rename to documentation/topics/policies.md
diff --git a/documentation/explanation/resources.md b/documentation/topics/resources.md
similarity index 100%
rename from documentation/explanation/resources.md
rename to documentation/topics/resources.md
diff --git a/documentation/explanation/timeouts.md b/documentation/topics/timeouts.md
similarity index 100%
rename from documentation/explanation/timeouts.md
rename to documentation/topics/timeouts.md
diff --git a/lib/ash/doc_index/ash_doc_index.ex b/lib/ash/doc_index/ash_doc_index.ex
index 4da822cf..c01e1693 100644
--- a/lib/ash/doc_index/ash_doc_index.ex
+++ b/lib/ash/doc_index/ash_doc_index.ex
@@ -78,26 +78,57 @@ defmodule Ash.DocIndex.AshDocIndex do
   end
 
   @impl true
-  @spec code_modules :: list(module())
+  @spec code_modules :: %{String.t() => list(module)}
   def code_modules do
-    [
-      Ash.Resource.Info,
-      Ash.Api,
-      Ash.Type,
-      Ash.Error,
-      Ash.CiString,
-      Ash.Changeset,
-      Ash.Query,
-      Ash.Filter,
-      Ash.Sort,
-      Ash.Resource.Change,
-      Ash.Resource.Change.Builtins,
-      Ash.Calculation,
-      Ash.CodeInterface,
-      Ash.Dsl.Entity,
-      Ash.Dsl.Extension,
-      Ash.Dsl.Section,
-      ASh.Dsl.Transformer
-    ]
+    %{
+      "Resources" => [
+        Ash.Api,
+        Ash.Resource.Info,
+        Ash.Resource.Change,
+        Ash.Resource.Change.Builtins,
+        Ash.Calculation,
+        Ash.Resource.Calculation.Builtins,
+        Ash.CodeInterface,
+        Ash.Changeset,
+        Ash.Query
+      ],
+      "Utilities" => [
+        Ash.Filter,
+        Ash.Sort
+      ],
+      "Errors" => [
+        Ash.Error
+      ],
+      "Types" => [
+        Ash.Type,
+        Ash.Type.Enum,
+        Ash.Type.Atom,
+        Ash.Type.Binary,
+        Ash.Type.Boolean,
+        Ash.Type.CiString,
+        Ash.CiString,
+        Ash.Type.Date,
+        Ash.Type.Decimal,
+        Ash.Type.DurationName,
+        Ash.Type.Float,
+        Ash.Type.Function,
+        Ash.Type.Integer,
+        Ash.Type.Map,
+        Ash.Type.NaiveDatetime,
+        Ash.Type.String,
+        Ash.Type.Term,
+        Ash.Type.Time,
+        Ash.Type.UUID,
+        Ash.Type.UrlEncodedBinary,
+        Ash.Type.UtcDatetime,
+        Ash.Type.UtcDatetimeUsec
+      ],
+      "DSLs and Extensions" => [
+        Ash.Dsl.Entity,
+        Ash.Dsl.Extension,
+        Ash.Dsl.Section,
+        ASh.Dsl.Transformer
+      ]
+    }
   end
 end
diff --git a/lib/ash/doc_index/doc_index.ex b/lib/ash/doc_index/doc_index.ex
index 75d9b9db..29db2ae1 100644
--- a/lib/ash/doc_index/doc_index.ex
+++ b/lib/ash/doc_index/doc_index.ex
@@ -21,7 +21,7 @@ defmodule Ash.DocIndex do
   @callback extensions() :: list(extension())
   @callback for_library() :: String.t()
   @callback guides() :: list(guide())
-  @callback code_modules() :: list(module())
+  @callback code_modules() :: %{String.t() => list(module())}
 
   defmacro __using__(opts) do
     quote bind_quoted: [guides_from: opts[:guides_from]] do
@@ -53,62 +53,6 @@ defmodule Ash.DocIndex do
     end
   end
 
-  def ensure_documented!(doc_index) do
-    Enum.each(doc_index.extensions(), fn extension ->
-      Enum.each(extension.module().sections(), &do_ensure_documented!/1)
-    end)
-  end
-
-  defp do_ensure_documented!(
-         section_or_entity,
-         trail \\ []
-       )
-
-  defp do_ensure_documented!(
-         %Ash.Dsl.Section{name: name, schema: schema, entities: entities, sections: sections},
-         trail
-       ) do
-    case Enum.find(schema, fn {_key, opts} ->
-           !opts[:links]
-         end) do
-      {key, _opts} ->
-        opt =
-          trail
-          |> Enum.reverse([key])
-          |> Enum.join(".")
-
-        raise "#{opt} is not documented (must contain links)!"
-
-      _ ->
-        :ok
-    end
-
-    Enum.each(entities, &do_ensure_documented!(&1, [name | trail]))
-    Enum.each(sections, &do_ensure_documented!(&1, [name | trail]))
-  end
-
-  defp do_ensure_documented!(
-         %Ash.Dsl.Entity{name: name, schema: schema, entities: entities},
-         trail
-       ) do
-    case Enum.find(schema, fn {_key, opts} ->
-           !opts[:links]
-         end) do
-      {key, _opts} ->
-        opt =
-          trail
-          |> Enum.reverse([key])
-          |> Enum.join(".")
-
-        raise "#{opt} is not documented (must contain links)!"
-
-      _ ->
-        :ok
-    end
-
-    Enum.each(entities, &do_ensure_documented!(elem(&1, 1), [name | trail]))
-  end
-
   def to_name(string) do
     string
     |> String.split(~r/[-_]/, trim: true)
diff --git a/lib/ash/resource/dsl.ex b/lib/ash/resource/dsl.ex
index a8cf4d4e..13a66153 100644
--- a/lib/ash/resource/dsl.ex
+++ b/lib/ash/resource/dsl.ex
@@ -4,6 +4,8 @@ defmodule Ash.Resource.Dsl do
     describe: """
     Declares an attribute on the resource
 
+    For more information, see `{{link:ash:guide:attributes.md}}`
+
     Type can be either a built in type (see `Ash.Type`) for more, or a module
     implementing the `Ash.Type` behaviour.
 
diff --git a/mix.exs b/mix.exs
index 6b130073..846dfcbd 100644
--- a/mix.exs
+++ b/mix.exs
@@ -86,7 +86,7 @@ defmodule Ash.MixProject do
         "old_documentation/topics/compile_times.md": [
           title: "Compile Times"
         ],
-        "documentation/explanation/policies.md": [
+        "documentation/topics/policies.md": [
           title: "Policies"
         ]
       ],