The purpose is to inform the reader in great detail about a specific topic.
Subject: project manager
verb: looked
Supposed :)
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A young boy named ...
Once Upon a Time, there was a boy named ...
The boy learned a valuable lesson today ...
The little boy wandered through the woods...
Not sure what you were looking for buy I did my best. I hope this helps.
Something necessary or indeipensable: food shelter, and other necessities of life. The fact of being necessary or indispensable; indispensability: the necessity of adequate housing.