Question?....................
Answer:
To show reference, and similarities in cases. Other cases may even be relevant to current cases. They may also, do so if they think the unsolved case could have something to do with the current suspect of a case.
Subject-verb-direct object
To put abstract ideas into close-up words or a description that is more easily understood. Use D) concrete descriptions. Concrete descriptions seek to make a concept easily understood by the reader or listener.