What do you want to skip in brainly? There isn't anything to skip that I can think of.
Enter would create a new line, thus allowing you to enter a paragraph, on some applications you can use "Shift+Enter" if it is an IM application like Skype.
Would you like me to answer with a paragraph or essay,
Answer:
c. Group use cases by actor.
Explanation:
A use case is used to describe interaction between systems and users to achieve a goal. Mostly, a list of possible interaction between the system and the user is identified. The user can be a single person or a group. By using use case, the requirement of a systems is identified from a users point of view.
