diff --git a/docs/README.md b/docs/README.md
index 9c28efeb0..67207d497 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -9,7 +9,7 @@ footer: "ECL 2.0 Licensed | Copyright © [YYYY] [Your Name]"
 
 **Виконав(-ла):** 
 
-*студент(-ка) 2-го курсу, групи (шифр групи)*<span padding-right:5em></span> **[ім’я ПРІЗВИЩЕ] [Посилання email, tg, fb]**
+*студент 2-го курсу, групи ІО-33 **Ушкалов Іван [Телеграм](https://t.me/sunrisexg)
 
 
 **Керівник**
diff --git a/docs/design/README.md b/docs/design/README.md
index 25658a9fd..2c2850758 100644
--- a/docs/design/README.md
+++ b/docs/design/README.md
@@ -5,3 +5,136 @@
 - ER-модель
 - реляційна схема
 
+Модель бізнес об'єктів 
+ 
+@startuml
+left to right direction
+
+' --- Користувачі ---
+entity User <> #900052
+entity User.id <> #ed2f9b
+entity User.first_name <> #ed2f9b
+entity User.last_name <> #ed2f9b
+entity User.email <> #ed2f9b
+entity User.password <> #ed2f9b
+
+User.id --* User
+User.first_name --* User
+User.last_name --* User
+User.email --* User
+User.password --* User
+
+entity Role <> #055e29
+entity Role.id <> #10c75a
+entity Role.name <> #10c75a
+entity Role.description <> #10c75a
+
+Role.id --* Role
+Role.name --* Role
+Role.description --* Role
+
+entity Permission <> #316e7a
+entity Permission.id <> #5ebed1
+entity Permission.name <> #5ebed1
+
+Permission.id --* Permission
+Permission.name --* Permission
+
+entity UserRole <> #417035
+entity RolePermission <> #702a48
+
+User "1.1" -- "0..*" UserRole
+UserRole "0..*" -- "1.1" Role
+
+Role "1.1" -- "0..*" RolePermission
+RolePermission "0..*" -- "1.1" Permission
+
+' --- Контент ---
+entity MediaContent <> #450561
+entity MediaContent.id <> #941ac9
+entity MediaContent.title <> #941ac9
+entity MediaContent.description <> #941ac9
+entity MediaContent.body <> #941ac9
+entity MediaContent.content_type <> #941ac9
+entity MediaContent.created_at <> #941ac9
+
+MediaContent.id --* MediaContent
+MediaContent.title --* MediaContent
+MediaContent.description --* MediaContent
+MediaContent.body --* MediaContent
+MediaContent.content_type --* MediaContent
+MediaContent.created_at --* MediaContent
+
+User "1.1" -- "0..*" MediaContent
+
+entity MediaContentTag <> #662923
+entity Tag <> #04378a
+entity Tag.id <> #3d7feb
+entity Tag.name <> #3d7feb
+
+Tag.id --* Tag
+Tag.name --* Tag
+MediaContent "1.1" -- "0..*" MediaContentTag
+MediaContentTag "0..*" -- "1.1" Tag
+
+' --- Джерела ---
+entity Source <> #ad5a00
+entity Source.id <> #e6861e
+entity Source.name <> #e6861e
+entity Source.url <> #e6861e
+
+Source.id --* Source
+Source.name --* Source
+Source.url --* Source
+
+entity MediaContentSource <> #804c32
+MediaContent "1.1" -l- "0..*" MediaContentSource
+MediaContentSource "0..*" -- "1.1" Source
+
+entity SourceTag <> #3d7361
+Source "1.1" -- "0..*" SourceTag
+SourceTag "0..*" -- "1.1" Tag
+
+' --- Аналітика ---
+entity AnalysisResult <> #8f031a
+entity AnalysisResult.id <> #e32040
+entity AnalysisResult.created_at <> #e32040
+entity AnalysisResult.title <> #e32040
+entity AnalysisResult.description <> #e32040
+entity AnalysisResult.body <> #e32040
+
+AnalysisResult.id --* AnalysisResult
+AnalysisResult.created_at --* AnalysisResult
+AnalysisResult.title --* AnalysisResult
+AnalysisResult.description --* AnalysisResult
+AnalysisResult.body --* AnalysisResult
+
+entity MediaContentAnalysisResult <> #592d33
+MediaContent "1.1" -- "0..*" MediaContentAnalysisResult
+MediaContentAnalysisResult "0..*" -- "1.1" AnalysisResult
+
+User "1.1" -- "0..*" AnalysisResult
+
+entity AnalysisResultTag <> #432b75
+AnalysisResult "1.1" -- "0..*" AnalysisResultTag
+AnalysisResultTag "0..*" -- "1.1" Tag
+
+entity AnalysisReport <> #5b0673
+entity AnalysisReport.id <> #bb38e0
+entity AnalysisReport.created_at <> #bb38e0
+entity AnalysisReport.title <> #bb38e0
+entity AnalysisReport.body <> #bb38e0
+
+AnalysisReport.id --* AnalysisReport
+AnalysisReport.created_at --* AnalysisReport
+AnalysisReport.title --* AnalysisReport
+AnalysisReport.body --* AnalysisReport
+
+AnalysisResult "1..*" -- "1.1" AnalysisReport
+User "1.1" -- "0..*" AnalysisReport
+
+entity AnalysisReportTag <> #1c4f3e
+AnalysisReport "1.1" -- "0..*" AnalysisReportTag
+AnalysisReportTag "0..*" -- "1.1" Tag
+
+@enduml