Explain Actors in Use Case Diagram

In the next video, you will be introduced to the concept of 'actors'.

In the previous video, you learnt that actors are the external entities who will be using your system to execute the functionalities provided by your system. Actors need not be people always; they can also be services, such as a notification service, which can be integrated using Gmail API or some other system.

Actors are depicted as stylised stick figures. For example, if your system will be used by an actor called Admin, then Admin will be represented in the use case diagram as shown below:

So far, you have learnt about use cases and actors. In the next video, you will see how to draw them in draw.io.

In the previous video, you learnt how actors and use-cases are created using draw.io. 

In this segment, you have been introduced to actors, who are the external entities that use your system. They are represented using a stylized stick figure.