diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index e146559..4b86414 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,7 +13,7 @@
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               "state": {
-                "file": "content/part 1 - Strategic Design/chapter 2/2.10 Conclusion/Conclusion.md",
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@@ -85,7 +85,7 @@
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               "state": {
-                "file": "content/part 1 - Strategic Design/chapter 2/2.10 Conclusion/Conclusion.md",
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                 "sortOrder": "alphabetical",
@@ -102,7 +102,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "content/part 1 - Strategic Design/chapter 2/2.10 Conclusion/Conclusion.md",
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@@ -125,7 +125,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "content/part 1 - Strategic Design/chapter 2/2.10 Conclusion/Conclusion.md"
+                "file": "content/_index.md"
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@@ -148,8 +148,13 @@
   },
   "active": "d15e1bdd51457826",
   "lastOpenFiles": [
-    "content/part 1 - Strategic Design/chapter 2/2.9 Challenges/Challenges.md",
+    "README.md",
+    "content/_index.md",
+    "content/preface.md",
+    "content/part 1 - Strategic Design/_index.md",
+    "content/part 1 - Strategic Design/chapter 2/_index.md",
     "content/part 1 - Strategic Design/chapter 2/2.10 Conclusion/Conclusion.md",
+    "content/part 1 - Strategic Design/chapter 2/2.9 Challenges/Challenges.md",
     "content/part 1 - Strategic Design/chapter 2/2.8 Tools/Tools.md",
     "content/part 1 - Strategic Design/chapter 2/2.7 Continuous Effort/Continuous Effort.md",
     "content/part 1 - Strategic Design/chapter 2/2.6 Model of the Business Domain/2.6.3  Modeling the Business Domain/Modeling the Business Domain.md",
@@ -164,16 +169,11 @@
     "content/part 1 - Strategic Design/chapter 2/2.2 Knowledge Discovery/Knowledge Discovery.md",
     "content/part 1 - Strategic Design/chapter 2/2.1 Business Problem/Business Problems.md",
     "content/part 1 - Strategic Design/chapter 1/1.5 Domain Analysis Examples/2. Gigmaster.md",
-    "content/part 1 - Strategic Design/chapter 2/_index.md",
     "content/part 1 - Strategic Design/chapter 1/1.1 Fundamental of DDD/1.1 Fundamental of DDD.md",
     "content/part 1 - Strategic Design/chapter 1/1.3 What is a Subdomain/1.3.1 Core Subdomains.md",
     "content/part 1 - Strategic Design/chapter 1/1.3 What is a Subdomain/1.3 What is a Subdomain.md",
     "content/part 1 - Strategic Design/chapter 1/_index.md",
     "content/part 1 - Strategic Design/chapter 1/1.5 Domain Analysis Examples/1. Domain Analysis Examples.md",
-    "content/part 1 - Strategic Design/chapter 1/1.6 Who Are the Domain Experts/Who Are the Domain Experts.md",
-    "content/part 1 - Strategic Design/chapter 1/1.5 Domain Analysis Examples/3. BusVNext.md",
-    "content/part 1 - Strategic Design/chapter 1/1.4 Comparing Subdomains/1.4 Comparing Subdomains.md",
-    "content/part 1 - Strategic Design/chapter 1/1.3 What is a Subdomain/1.3.3 Supporting Subdomain.md",
     "1.1-fundamental-of-ddd",
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     "[1.1-fundamental-of-ddd",
diff --git a/content/_index.md b/content/_index.md
new file mode 100644
index 0000000..2c80f68
--- /dev/null
+++ b/content/_index.md
@@ -0,0 +1,11 @@
+---
+title: 'صفحه اصلی'
+weight: 1
+description: ' کتاب آزاد Domain Driven Design
+این کتاب برای کسانی که تازه میخواهند DDD را یادبگیرند یا اینکه افراد با تجربه در حوزه ی DDD هستند مناسب می باشد.'
+tags:
+- DDD
+- Domain Driven Design
+- iCodeNext
+- طراحی دامنه محور
+---