diff --git a/internal/domain/main-entities/ext-user/dto.go b/internal/domain/main-entities/user-fes/dto.go
similarity index 91%
rename from internal/domain/main-entities/ext-user/dto.go
rename to internal/domain/main-entities/user-fes/dto.go
index 653dab92..6cb3636b 100644
--- a/internal/domain/main-entities/ext-user/dto.go
+++ b/internal/domain/main-entities/user-fes/dto.go
@@ -1,4 +1,5 @@
-package extuser
+// FES = From External Source
+package userfes
 
 import (
 	// internal - domain - main-entities
@@ -54,7 +55,7 @@ type ResponseDto struct {
 	User_Name        string           `json:"user_name"`
 }
 
-func (d ExtUser) ToResponse() ResponseDto {
+func (d UserFes) ToResponse() ResponseDto {
 	resp := ResponseDto{
 		Name:             d.Name,
 		AuthPartner_Code: d.AuthPartner_Code,
@@ -65,7 +66,7 @@ func (d ExtUser) ToResponse() ResponseDto {
 	return resp
 }
 
-func ToResponseList(data []ExtUser) []ResponseDto {
+func ToResponseList(data []UserFes) []ResponseDto {
 	resp := make([]ResponseDto, len(data))
 	for i, u := range data {
 		resp[i] = u.ToResponse()
diff --git a/internal/domain/main-entities/ext-user/entity.go b/internal/domain/main-entities/user-fes/entity.go
similarity index 90%
rename from internal/domain/main-entities/ext-user/entity.go
rename to internal/domain/main-entities/user-fes/entity.go
index ae293667..7356166c 100644
--- a/internal/domain/main-entities/ext-user/entity.go
+++ b/internal/domain/main-entities/user-fes/entity.go
@@ -1,4 +1,5 @@
-package extuser
+// FES = From External Source
+package userfes
 
 import (
 	ecore "simrs-vx/internal/domain/base-entities/core"
@@ -6,7 +7,7 @@ import (
 	eau "simrs-vx/internal/domain/main-entities/user"
 )
 
-type ExtUser struct {
+type UserFes struct {
 	ecore.Main                        // adjust this according to the needs
 	Name             string           `json:"name" gorm:"size:100"`
 	AuthPartner_Code string           `json:"authPartner_code" gorm:"size:30"`