Design an entity relationship model that best represents the database diagram, bringing together all the entities and relationships described: The specifications are as follows: Three actors are involved in our application:

Administrators:

$$ File management $($images and videos$)$: addition and deletion of a file from the database, modification of the description of a file.

$$ Thesaurus management $($keyword and its synonyms$).$

$$ Theme management: adding and deleting a theme and the description of a theme.$$ Member management: access rights, addition, deletion.

Members :

To become a member of the application, a visitor must first register. This can:

$$ Add a file $($image and video$)$ to the application base.

$$ Modify your profile image.

$$ Modify your account information $($username$,$ email, date of birth, last name, first name, etc.$).$ Search for files $($images and videos$)$ located in the database.

$$ View files $($images and videos$)$

Internet users $($visitor$)$:

$$ Search for files $($images and videos$)$ located in the database.

$$ View files $($images and videos$)$