A mechanism for securing or fastening something.

A signal or indication that something is locked or secure.

कुछ बंद या सुरक्षित होने का संकेत

English Usage: The locking signal turned green, showing that the system was active.

Hindi Usage: लॉकिंग सिग्नल हरा हो गया, दिखाते हुए कि प्रणाली सक्रिय थी।