What is meant by “it stands in the place of a complete report”?

The Compilation Method: Narrator Tiers, Justified Repetition and Abridgement

• Each needed added word necessarily constitutes a separate marfūʿ report
• A needed addition may be significant enough to warrant repeating a whole report
• The sheer number of extra words suffices to merit a full repeat
• A route with an addition is necessarily more authentic than the base route