An extractive 3-line search snippet represents a webpage as concise text chunks drawn verbatim from the source content and joined by a three-dot delimiter to mimic search-engine grounding inputs.

flowchart TD
    A[Source HTML Page] --> B[Extractive Summarization]
    B --> C[Snippet Generation]
    
    subgraph S[Extractive 3-Line Snippet]
        D["Line 1 Chunk"]
        E["..."]
        F["Line 2 Chunk"]
        G["..."]
        H["Line 3 Chunk"]
        D --- E --- F --- G --- H
    end
    
    C --> S
    S --> I[Span Mapping & Alignment]
    I -. Verbatim Highlights .-> A