diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index ab4df19..4ca2fec 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -206,9 +206,23 @@
   },
   "active": "f8adac6650611d50",
   "lastOpenFiles": [
-    "ISEN/English/CIPA4/29 sept 2025.md",
+    "Protocol Data Units (PDU).md",
     "ISEN/English/CIPA4/Elevator pitch.md",
+    "Untitled.base",
     "ISEN/English/CIPA4/24 oct 2025.md",
+    "ISEN/English/CIPA4/29 sept 2025.md",
+    "ISEN/BDD/CIPA4/BDD Cours 1.md",
+    "ISEN/ELA/TP/Compte rendu TP Amplificateur Opérationnel et Contre-Réaction.md",
+    "ISEN/Developpement durable/CIPA3/Schneider.md",
+    "ISEN/Developpement durable/CIPA3/Question oral.md",
+    "ISEN/Developpement durable/CIPA3/Matrice Industrie.md",
+    "ISEN/Developpement durable/CIPA3/Figure Félix Marquet.md",
+    "ISEN/Developpement durable/CIPA3/Développement durable Cours 3.md",
+    "ISEN/Developpement durable/CIPA3/Développement durable Cours 2.md",
+    "ISEN/Developpement durable/CIPA3/Developpement durable Cours 1.md",
+    "ISEN/Réseau/A2/CCNA Cours 2.md",
+    "ISEN/Réseau/A2/CCNA Cours 3.md",
+    "Elevator.md",
     "ISEN/JAVA/CIPA4/TP/TP2/TP2.md",
     "ISEN/JAVA/CIPA4/CM/10_JDBC.pdf",
     "ISEN/JAVA/CIPA4/CM/09-fichiers.pdf",
@@ -219,36 +233,22 @@
     "ISEN/JAVA/CIPA4/CM/04-classes-abstraites-interfaces.pdf",
     "ISEN/JAVA/CIPA4/CM/03-heritage.pdf",
     "ISEN/JAVA/CIPA4/CM/02-classes.pdf",
-    "ISEN/JAVA/CIPA4/CM/01-bases.pdf",
     "ISEN/FHS/A1/Réunion stage associatif.md",
     "ISEN/FHS/A1/Démocratie/Démocracie cours 7.md",
     "ISEN/BDD/CIPA4/modelisation-cas-immo.md",
     "ISEN/BDD/CIPA4/Cas modélisation alternatifs.md",
-    "ISEN/BDD/CIPA4/BDD Cours 1.md",
     "ISEN/BDD/CIPA4/BDD Cours 2.md",
     "ISEN/FHS/CIPA4/Anthropologie de l'entreprise/Mythe Horoquartz.md",
     "ISEN/FHS/CIPA4/Anthropologie de l'entreprise/Anthropologie de l'entreprise Cours 1.md",
     "ISEN/BDD/CIPA4/Projet/Présentation projet.md",
     "ISEN/Réunion/CIPA 4/Réunion international.md",
     "Pasted image 20251009192656.png",
-    "ISEN/Other/Appen/Git flow Studysen.md",
-    "ISEN/Réunion/CIPA 4/Rentrée 2025-2026.md",
-    "ISEN/Réunion/CIPA 4/Réunion FHS Rentrée 2025.md",
-    "ISEN/Réunion/CIPA 4/Délégué 2025-2026.md",
-    "ISEN/IA/CIPA4/Fiche de révision.md",
-    "ISEN/Réseau/CIPA4/Réseau Cours 1.md",
-    "ISEN/IA/CIPA4/TP/TP3/Compte Rendu TP3  Apprentissage non-supervisé - Réduction de la dimensionnalité.md",
     "src/Pasted image 20240130111505.png",
     "src/Pasted image 20240123120819.png",
     "src/Pasted image 20240123120807.png",
-    "Protocol Data Units (PDU).md",
-    "README.md",
-    "plot_2025-04-16.md",
     "Pasted image 20250610091125.png",
     "Pasted image 20240505210657.png",
     "Pasted image 20240505210642.png",
-    "ISEN/FPGA/CIPA4/FPGA TP Login.md",
-    "ISEN/FPGA/CIPA4/FPGA TP Utils.md",
     "ISEN/Réseau/A2/TP Ansible et docker.canvas",
     "ISEN/BDD/CIR2/TD2.canvas",
     "Pasted image 20250905143950.png",
diff --git a/ISEN/English/CIPA4/24 oct 2025.md b/ISEN/English/CIPA4/24 oct 2025.md
index 72f9d46..dc8e63f 100644
--- a/ISEN/English/CIPA4/24 oct 2025.md	
+++ b/ISEN/English/CIPA4/24 oct 2025.md	
@@ -98,4 +98,8 @@ Constitutional monarchy
 Flat hierarchy 
 Good work life balance
 
-Living cost higher in Netherlands
\ No newline at end of file
+Living cost higher in Netherlands
+
+## Elevator pitch
+See [here](Elevator%20pitch.md)
+
diff --git a/Untitled.base b/Untitled.base
deleted file mode 100644
index c6ab609..0000000
--- a/Untitled.base
+++ /dev/null
@@ -1,3 +0,0 @@
-views:
-  - type: table
-    name: Table