Final answer:
Annotation is a strategy that involves reading an external resource, setting it aside, and writing about it from memory for effective paraphrasing and summarizing.
Step-by-step explanation:
The strategy that involves reading an external resource, setting it aside, and writing about it from memory for effective paraphrasing and summarizing is called annotation. Annotation involves highlighting important words or phrases, asking questions, and writing brief summaries to help understand the text.