Final answer:
The writing activity's purpose is to analyze the text, which includes examining authorial choices, the text's construction, and backing assessments with evidence.
Step-by-step explanation:
The purpose of the writing activity described in the given statements is to analyze the text. This task includes summarizing, paraphrasing, explaining, analyzing, and evaluating a reading selection. The process involves identifying the author's construction of the text, the subject, tone, and message or theme. It also encompasses considering the purpose behind the author's choices and examining the text both subjectively and objectively, using textual evidence to support the analysis. Through collaboration and reflection, one aims to develop a rich understanding of the text's parts as a whole within its rhetorical situation.