Can you explain term Epic, UserStory and Task in scrum?
Below are the DEFINITION of Epic, UserStory and task as given below:-

(1)Epic:-An epic contains a large body of work. It is a large story which can be broken down into number of smaller stories. This is also possible that it will take many sprints to complete an epic.

(2)UserStory:-We can say this a story or an UserStory. This story is a SOFTWARE SYSTEM requirement which is expressed in a few short sentences, ideally using non-technical LANGUAGE. And this can be generally estimated in story POINTS.

(3)Task:-Here task is samllest unit in all above term. A task is a unit of work contained within a story. This is estimated in hours.