diff --git a/devfront/src/features/clients/ClientConsentsPage.tsx b/devfront/src/features/clients/ClientConsentsPage.tsx
index 1897a966..7bacc080 100644
--- a/devfront/src/features/clients/ClientConsentsPage.tsx
+++ b/devfront/src/features/clients/ClientConsentsPage.tsx
@@ -69,7 +69,7 @@ function ClientConsentsPage() {
               </Link>
               <span>/</span>
               <Link to="/clients" className="hover:text-primary">
-                {t("ui.dev.clients.consents.breadcrumb.clients", "Clients")}
+                {t("ui.dev.clients.consents.breadcrumb.clients", "Apps")}
               </Link>
               <span>/</span>
               <span>{clientData?.client?.name || clientId}</span>
diff --git a/devfront/src/features/clients/ClientDetailsPage.tsx b/devfront/src/features/clients/ClientDetailsPage.tsx
index 8a586125..1882c04a 100644
--- a/devfront/src/features/clients/ClientDetailsPage.tsx
+++ b/devfront/src/features/clients/ClientDetailsPage.tsx
@@ -124,7 +124,7 @@ function ClientDetailsPage() {
   if (isLoading) {
     return (
       <div className="p-8 text-center">
-        {t("msg.dev.clients.details.loading", "Loading client...")}
+        {t("msg.dev.clients.details.loading", "Loading app...")}
       </div>
     );
   }
@@ -137,7 +137,7 @@ function ClientDetailsPage() {
       <div className="p-8 text-center text-red-500">
         {t(
           "msg.dev.clients.details.load_error",
-          "Error loading client: {{error}}",
+          "Error loading app: {{error}}",
           { error: errMsg || t("msg.common.unknown_error", "unknown error") },
         )}
       </div>
@@ -185,7 +185,7 @@ function ClientDetailsPage() {
       <div className="space-y-3">
         <div className="flex flex-wrap items-center gap-2 text-sm text-muted-foreground">
           <Link to="/clients" className="text-primary hover:underline">
-            {t("ui.dev.clients.details.breadcrumb.section", "Relying Parties")}
+            {t("ui.dev.clients.details.breadcrumb.section", "Apps")}
           </Link>
           <span>/</span>
           <span className="text-foreground">
diff --git a/devfront/src/features/clients/ClientsPage.tsx b/devfront/src/features/clients/ClientsPage.tsx
index d1ddffe8..c551eb16 100644
--- a/devfront/src/features/clients/ClientsPage.tsx
+++ b/devfront/src/features/clients/ClientsPage.tsx
@@ -101,7 +101,7 @@ function ClientsPage() {
   const stats: StatItem[] = [
     {
       labelKey: "ui.dev.clients.stats.total",
-      labelFallback: "총 클라이언트",
+      labelFallback: "총 애플리케이션",
       value: totalClients.toString(),
       deltaKey: "ui.dev.clients.stats.realtime",
       deltaFallback: "Realtime",
diff --git a/devfront/src/locales/en.toml b/devfront/src/locales/en.toml
index 26d7f7ae..a0d48f24 100644
--- a/devfront/src/locales/en.toml
+++ b/devfront/src/locales/en.toml
@@ -209,10 +209,10 @@ unknown_error = "unknown error"
 [msg.dev.clients]
 copy_client_id = "Copy Client Id"
 load_error = "Error loading clients: {{error}}"
-loading = "Loading clients..."
-showing = "Showing {{shown}} of {{total}} clients"
+loading = "Loading apps..."
+showing = "Showing {{shown}} of {{total}} apps"
 status_update_error = "Failed to update client status"
-status_updated = "Status Updated"
+status_updated = "The app has been {{status}}."
 
 [msg.dev.clients.consents]
 empty = "No consents found."
@@ -927,10 +927,13 @@ console_title = "Developer Console"
 env_badge = "Env: dev"
 scope_badge = "Scoped to /dev"
 
+[ui.dev.nav]
+clients = "Connected Application"
+
 [ui.dev.clients]
 copy_client_id = "Copy client id"
-new = "New"
-search_placeholder = "Search Placeholder"
+new = "Add Connected Application"
+search_placeholder = "Search by app name or ID..."
 tenant_scoped = "Tenant-scoped"
 untitled = "Untitled"
 
@@ -1006,8 +1009,8 @@ consents = "Consent & Users"
 settings = "Settings"
 
 [ui.dev.clients.general]
-create = "Create"
-display_new = "Display New"
+create = "Create Application"
+display_new = "Add Connected Application"
 save = "Settings Save"
 title_create = "Create Client"
 title_edit = "Client Settings"
@@ -1055,7 +1058,7 @@ title = "Need help with OIDC configuration?"
 view_guides = "View guides"
 
 [ui.dev.clients.list]
-title = "Title"
+title = "Connected Applications"
 
 [ui.dev.clients.owner]
 avatar_alt = "ops user"
diff --git a/devfront/src/locales/ko.toml b/devfront/src/locales/ko.toml
index 73958bf0..e385eb88 100644
--- a/devfront/src/locales/ko.toml
+++ b/devfront/src/locales/ko.toml
@@ -207,12 +207,12 @@ unknown_error = "unknown error"
 [msg.dev]
 
 [msg.dev.clients]
-copy_client_id = "클라이언트 ID가 복사되었습니다."
+copy_client_id = "Client ID가 복사되었습니다."
 load_error = "Error loading clients: {{error}}"
-loading = "Loading clients..."
-showing = "Showing {{shown}} of {{total}} clients"
+loading = "Loading apps..."
+showing = "Showing {{shown}} of {{total}} apps"
 status_update_error = "Failed to update client status"
-status_updated = "클라이언트가 {{status}}되었습니다."
+status_updated = "앱이 {{status}}되었습니다."
 
 [msg.dev.clients.consents]
 empty = "No consents found."
@@ -257,19 +257,19 @@ help = "인증 후 리다이렉트될 URI를 입력하세요. 생성 후 Connect
 
 [msg.dev.clients.general.scopes]
 empty = "등록된 스코프가 없습니다."
-subtitle = "이 클라이언트가 요청할 수 있는 권한 범위를 정의합니다."
+subtitle = "이 앱이 요청할 수 있는 권한 범위를 정의합니다."
 
 [msg.dev.clients.general.security]
 confidential_help = "서버 사이드 앱(예: Node.js, Java)처럼 비밀키를 안전하게 보관 가능한 경우."
 public_help = "SPA/모바일 앱처럼 비밀키 보관이 어려운 경우. PKCE를 기본 사용합니다."
-subtitle = "클라이언트 유형을 선택하세요. 보안 수준에 따라 인증 방식이 달라집니다."
+subtitle = "앱 유형을 선택하세요. 보안 수준에 따라 인증 방식이 달라집니다."
 
 [msg.dev.clients.help]
 docs_body = "Includes PKCE, client_secret_basic, redirect URI validation tips."
 subtitle = "Developer guides for Confidential/Public clients, redirect URIs, and auth methods."
 
 [msg.dev.clients.registry]
-description = "OIDC 클라이언트, 인증 방식, 리다이렉트 URI, 비밀키 재발행을 감사 로그와 함께 관리합니다."
+description = "OIDC 앱, 인증 방식, 리다이렉트 URI, 비밀키 재발행을 감사 로그와 함께 관리합니다."
 
 [msg.dev.clients.scopes]
 email = "이메일 주소 접근"
@@ -291,7 +291,7 @@ hydra_health = "Hydra Admin 상태 체크 준비"
 
 [msg.dev.sidebar]
 notice = "개발자 전용 콘솔입니다."
-notice_detail = "클라이언트 애플리케이션 등록 및 관리를 수행할 수 있습니다."
+notice_detail = "연동 앱 등록 및 관리를 수행할 수 있습니다."
 
 [msg.info]
 saved_success = "저장이 완료되었습니다."
@@ -927,10 +927,13 @@ console_title = "Developer Console"
 env_badge = "Env: dev"
 scope_badge = "Scoped to /dev"
 
+[ui.dev.nav]
+clients = "연동 앱"
+
 [ui.dev.clients]
 copy_client_id = "Copy client id"
-new = "새 클라이언트"
-search_placeholder = "클라이언트 이름/ID로 검색..."
+new = "연동 앱 추가"
+search_placeholder = "연동 앱 이름/ID로 검색..."
 tenant_scoped = "Tenant-scoped"
 untitled = "Untitled"
 
@@ -973,13 +976,13 @@ user = "User"
 [ui.dev.clients.details]
 
 [ui.dev.clients.details.breadcrumb]
-current = "클라이언트 상세"
+current = "연동 앱 상세"
 section = "Relying Parties"
 
 [ui.dev.clients.details.credentials]
 client_id = "Client ID"
 client_secret = "Client Secret"
-title = "클라이언트 자격 증명"
+title = "앱 자격 증명"
 
 [ui.dev.clients.details.endpoints]
 read_only = "읽기 전용"
@@ -1006,8 +1009,8 @@ consents = "Consent & Users"
 settings = "Settings"
 
 [ui.dev.clients.general]
-create = "클라이언트 생성"
-display_new = "새 클라이언트"
+create = "앱 생성"
+display_new = "연동 앱 추가"
 save = "설정 저장"
 title_create = "Create Client"
 title_edit = "Client Settings"
@@ -1055,7 +1058,7 @@ title = "Need help with OIDC configuration?"
 view_guides = "View guides"
 
 [ui.dev.clients.list]
-title = "클라이언트 목록"
+title = "연동 앱 목록"
 
 [ui.dev.clients.owner]
 avatar_alt = "ops user"
diff --git a/devfront/src/locales/template.toml b/devfront/src/locales/template.toml
index d3f46c56..3e3f25f7 100644
--- a/devfront/src/locales/template.toml
+++ b/devfront/src/locales/template.toml
@@ -939,6 +939,9 @@ console_title = ""
 env_badge = ""
 scope_badge = ""
 
+[ui.dev.nav]
+clients = ""
+
 [ui.dev.clients]
 copy_client_id = ""
 new = ""
diff --git a/locales/en.toml b/locales/en.toml
index 26d7f7ae..a0d48f24 100644
--- a/locales/en.toml
+++ b/locales/en.toml
@@ -209,10 +209,10 @@ unknown_error = "unknown error"
 [msg.dev.clients]
 copy_client_id = "Copy Client Id"
 load_error = "Error loading clients: {{error}}"
-loading = "Loading clients..."
-showing = "Showing {{shown}} of {{total}} clients"
+loading = "Loading apps..."
+showing = "Showing {{shown}} of {{total}} apps"
 status_update_error = "Failed to update client status"
-status_updated = "Status Updated"
+status_updated = "The app has been {{status}}."
 
 [msg.dev.clients.consents]
 empty = "No consents found."
@@ -927,10 +927,13 @@ console_title = "Developer Console"
 env_badge = "Env: dev"
 scope_badge = "Scoped to /dev"
 
+[ui.dev.nav]
+clients = "Connected Application"
+
 [ui.dev.clients]
 copy_client_id = "Copy client id"
-new = "New"
-search_placeholder = "Search Placeholder"
+new = "Add Connected Application"
+search_placeholder = "Search by app name or ID..."
 tenant_scoped = "Tenant-scoped"
 untitled = "Untitled"
 
@@ -1006,8 +1009,8 @@ consents = "Consent & Users"
 settings = "Settings"
 
 [ui.dev.clients.general]
-create = "Create"
-display_new = "Display New"
+create = "Create Application"
+display_new = "Add Connected Application"
 save = "Settings Save"
 title_create = "Create Client"
 title_edit = "Client Settings"
@@ -1055,7 +1058,7 @@ title = "Need help with OIDC configuration?"
 view_guides = "View guides"
 
 [ui.dev.clients.list]
-title = "Title"
+title = "Connected Applications"
 
 [ui.dev.clients.owner]
 avatar_alt = "ops user"
diff --git a/locales/ko.toml b/locales/ko.toml
index 73958bf0..e385eb88 100644
--- a/locales/ko.toml
+++ b/locales/ko.toml
@@ -207,12 +207,12 @@ unknown_error = "unknown error"
 [msg.dev]
 
 [msg.dev.clients]
-copy_client_id = "클라이언트 ID가 복사되었습니다."
+copy_client_id = "Client ID가 복사되었습니다."
 load_error = "Error loading clients: {{error}}"
-loading = "Loading clients..."
-showing = "Showing {{shown}} of {{total}} clients"
+loading = "Loading apps..."
+showing = "Showing {{shown}} of {{total}} apps"
 status_update_error = "Failed to update client status"
-status_updated = "클라이언트가 {{status}}되었습니다."
+status_updated = "앱이 {{status}}되었습니다."
 
 [msg.dev.clients.consents]
 empty = "No consents found."
@@ -257,19 +257,19 @@ help = "인증 후 리다이렉트될 URI를 입력하세요. 생성 후 Connect
 
 [msg.dev.clients.general.scopes]
 empty = "등록된 스코프가 없습니다."
-subtitle = "이 클라이언트가 요청할 수 있는 권한 범위를 정의합니다."
+subtitle = "이 앱이 요청할 수 있는 권한 범위를 정의합니다."
 
 [msg.dev.clients.general.security]
 confidential_help = "서버 사이드 앱(예: Node.js, Java)처럼 비밀키를 안전하게 보관 가능한 경우."
 public_help = "SPA/모바일 앱처럼 비밀키 보관이 어려운 경우. PKCE를 기본 사용합니다."
-subtitle = "클라이언트 유형을 선택하세요. 보안 수준에 따라 인증 방식이 달라집니다."
+subtitle = "앱 유형을 선택하세요. 보안 수준에 따라 인증 방식이 달라집니다."
 
 [msg.dev.clients.help]
 docs_body = "Includes PKCE, client_secret_basic, redirect URI validation tips."
 subtitle = "Developer guides for Confidential/Public clients, redirect URIs, and auth methods."
 
 [msg.dev.clients.registry]
-description = "OIDC 클라이언트, 인증 방식, 리다이렉트 URI, 비밀키 재발행을 감사 로그와 함께 관리합니다."
+description = "OIDC 앱, 인증 방식, 리다이렉트 URI, 비밀키 재발행을 감사 로그와 함께 관리합니다."
 
 [msg.dev.clients.scopes]
 email = "이메일 주소 접근"
@@ -291,7 +291,7 @@ hydra_health = "Hydra Admin 상태 체크 준비"
 
 [msg.dev.sidebar]
 notice = "개발자 전용 콘솔입니다."
-notice_detail = "클라이언트 애플리케이션 등록 및 관리를 수행할 수 있습니다."
+notice_detail = "연동 앱 등록 및 관리를 수행할 수 있습니다."
 
 [msg.info]
 saved_success = "저장이 완료되었습니다."
@@ -927,10 +927,13 @@ console_title = "Developer Console"
 env_badge = "Env: dev"
 scope_badge = "Scoped to /dev"
 
+[ui.dev.nav]
+clients = "연동 앱"
+
 [ui.dev.clients]
 copy_client_id = "Copy client id"
-new = "새 클라이언트"
-search_placeholder = "클라이언트 이름/ID로 검색..."
+new = "연동 앱 추가"
+search_placeholder = "연동 앱 이름/ID로 검색..."
 tenant_scoped = "Tenant-scoped"
 untitled = "Untitled"
 
@@ -973,13 +976,13 @@ user = "User"
 [ui.dev.clients.details]
 
 [ui.dev.clients.details.breadcrumb]
-current = "클라이언트 상세"
+current = "연동 앱 상세"
 section = "Relying Parties"
 
 [ui.dev.clients.details.credentials]
 client_id = "Client ID"
 client_secret = "Client Secret"
-title = "클라이언트 자격 증명"
+title = "앱 자격 증명"
 
 [ui.dev.clients.details.endpoints]
 read_only = "읽기 전용"
@@ -1006,8 +1009,8 @@ consents = "Consent & Users"
 settings = "Settings"
 
 [ui.dev.clients.general]
-create = "클라이언트 생성"
-display_new = "새 클라이언트"
+create = "앱 생성"
+display_new = "연동 앱 추가"
 save = "설정 저장"
 title_create = "Create Client"
 title_edit = "Client Settings"
@@ -1055,7 +1058,7 @@ title = "Need help with OIDC configuration?"
 view_guides = "View guides"
 
 [ui.dev.clients.list]
-title = "클라이언트 목록"
+title = "연동 앱 목록"
 
 [ui.dev.clients.owner]
 avatar_alt = "ops user"
diff --git a/locales/template.toml b/locales/template.toml
index d3f46c56..3e3f25f7 100644
--- a/locales/template.toml
+++ b/locales/template.toml
@@ -939,6 +939,9 @@ console_title = ""
 env_badge = ""
 scope_badge = ""
 
+[ui.dev.nav]
+clients = ""
+
 [ui.dev.clients]
 copy_client_id = ""
 new = ""