The representation of the use cases we had seen is drawn by an ellipse, the system boundary is drawn by a rectangle, the users are called as actor, they are represented by stick person.
Use case-ஐ நீள்வட்டமாகவும், system எல்லையைச் செவ்வகமாகவும், பயனாளர்களைக் குச்சி மனித உருவமாகவும் வெளிப்படுத்தலாம்.