Answer:
The book may be introductory, but it can satisfy a scholar.
Explanation:
In any argument presentation be it in an academic paper or any book for that matter, the presence of any phrases like "sound lines' ' will show an emphasis on the fact that the presented argument is to a certain extent, true and has validation. At the same time, the words "amply provide" will imply that the sources or argument presented is enough to prove the given point. These two phrases thus, help make the argument that the given points may be introductory but at the same time, they can also satisfy a scholar's viewpoint.
The caged bird singswith a joyous songof the captive life that kept it safe all along.This answer exemplifies the two birds: free and caged. Free in such a way that it is able to sing a song of its choice, and caged, because even if it is in captive it has something to be thankful for, its safety.
The sender is focus because it is the “main idea” of an essay.
