Which does the phrase author's purpose describe?

1. The reason an author writes a text
2. A thesis statement that makes a claim
3. The evidence an author gives to support his or her claim
4. They way an author feels about the topic of the text

1. The reason an author writes a text

The phrase "author's purpose" refers to the reason why an author writes a particular text. It relates to the author's intention or goal in writing the piece. To determine the author's purpose, you can analyze the overall message, tone, and style of the text. Consider the primary objective the author is trying to achieve, such as informing, persuading, entertaining, or expressing an opinion or viewpoint. Understanding the author's purpose can provide valuable insights into the text's meaning and help in analyzing its effectiveness and impact. Therefore, the correct option is 1. The reason an author writes a text.

The phrase "author's purpose" describes option 1: the reason an author writes a text.