diff --git a/src/lib/components/WaterfallPlainView.svelte b/src/lib/components/welcome_views/LegislationPerimeterTree.svelte
similarity index 100%
rename from src/lib/components/WaterfallPlainView.svelte
rename to src/lib/components/welcome_views/LegislationPerimeterTree.svelte
diff --git a/src/lib/components/PlfVariablesListIntro.svelte b/src/lib/components/welcome_views/PlfVariablesListIntro.svelte
similarity index 100%
rename from src/lib/components/PlfVariablesListIntro.svelte
rename to src/lib/components/welcome_views/PlfVariablesListIntro.svelte
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 82389b015ce1a507d67cf2f26362c94ed0bd38ef..fc9adc45d59fedb1b0622406c48665645ea06a64 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -33,7 +33,7 @@
   import BudgetConnexionModal from "$lib/components/BudgetConnexionModal.svelte"
   import BudgetSimulationSharingModal from "$lib/components/BudgetSimulationSharingModal.svelte"
   import ModificationsPanel from "$lib/components/ModificationsPanel.svelte"
-  import PlfVariablesListIntro from "$lib/components/PlfVariablesListIntro.svelte"
+  import PlfVariablesListIntro from "$lib/components/welcome_views/PlfVariablesListIntro.svelte"
   import SkeletonLoaderBudget from "$lib/components/budget/SkeletonLoaderBudget.svelte"
   import StaticAggregates from "$lib/components/budget/StaticAggregates.svelte"
   import TestCaseCompareView from "$lib/components/test_cases/TestCaseCompareView.svelte"
@@ -48,7 +48,7 @@
   import VariableDetail from "$lib/components/variables/VariableDetail.svelte"
   import VariableReferredParameters from "$lib/components/variables/VariableReferredParameters.svelte"
   import VariableValueChange from "$lib/components/variables/VariableValueChange.svelte"
-  import WaterfallPlainView from "$lib/components/WaterfallPlainView.svelte"
+  import LegislationPerimeterTree from "$lib/components/welcome_views/LegislationPerimeterTree.svelte"
   import WithoutBudgetCard from "$lib/components/budget/WithoutBudgetCard.svelte"
   import {
     buildWaterfallDecompositions,
@@ -983,7 +983,7 @@
                       {#if !displayMode.budget}
                         <div class="mt-7">
                           {#if displayMode.testCasesIndex.length === 0}
-                            <WaterfallPlainView
+                            <LegislationPerimeterTree
                               compact
                               on:click={({ detail }) =>
                                 goto(
diff --git a/src/routes/accueil/+page.svelte b/src/routes/accueil/+page.svelte
index ffcd192a0eeccdeca4219997d6828a1e83a72ba1..b7bebe2424ee6287a391fae82975c92412fad131 100644
--- a/src/routes/accueil/+page.svelte
+++ b/src/routes/accueil/+page.svelte
@@ -11,13 +11,13 @@
   import { auditQuerySingleton } from "$lib/auditors/queries"
   import PictoFemme from "$lib/components/pictos/PictoFemme.svelte"
   import PictoOpenFisca from "$lib/components/pictos/PictoOpenFisca.svelte"
-  import PlfVariablesListIntro from "$lib/components/PlfVariablesListIntro.svelte"
+  import PlfVariablesListIntro from "$lib/components/welcome_views/PlfVariablesListIntro.svelte"
   import WelcomeSearch from "$lib/components/search/WelcomeSearch.svelte"
   import TestCaseSelectModal from "$lib/components/test_cases/TestCaseSelectModal.svelte"
   import AnchorTitle from "$lib/components/transverse_pages/AnchorTitle.svelte"
   import Footer from "$lib/components/transverse_pages/Footer.svelte"
   import VariableDetail from "$lib/components/variables/VariableDetail.svelte"
-  import WaterfallPlainView from "$lib/components/WaterfallPlainView.svelte"
+  import LegislationPerimeterTree from "$lib/components/welcome_views/LegislationPerimeterTree.svelte"
   import { waterfalls, withLinkedVariableNames } from "$lib/decompositions"
   import type { DisplayMode } from "$lib/displays"
   import { trackSearchVariable } from "$lib/matomo"
@@ -544,7 +544,7 @@
       Les {variablesCount} dispositifs couverts par le simulateur LexImpact socio-fiscal&nbsp;:
     </AnchorTitle>
 
-    <WaterfallPlainView
+    <LegislationPerimeterTree
       on:click={({ detail }) =>
         goto(
           getSimulationUrl({