Think about your favorite Web browser. How many interfaces does it have, and what actors are served by those interfaces?
Sketch a picture of the Web browser, its interfaces, and its actors.
Who are the stakeholders for whom the specifications for those interfaces should be written?
For one of the interfaces you described in question 1, list a set of exceptions that the browser detects or, from your experience, fails to detect but should.
What's the difference between an interface and a connector?