Summarization turns a longer text into a shorter version that keeps its main information. A bookstore could use generated book summaries to help customers decide which titles to explore. section 7.1
Summarizing can also help when a source is too large to fit into a model’s context window. Think of that window as a fixed-size suitcase: pack the text down, split it into chunks, or retrieve only the relevant pieces. Test the chosen model for speed, cost, and quality before putting it to work. section 7.1











