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### 1. **Text Extraction**
- **PDF Rendering**: PDFs are not straightforward text files; they are designed to maintain the same formatting across all platforms, which means they store information about layout and design rather than just raw text. Therefore, the first step is to render the PDF to interpret these designs as text elements.
- **Optical Character Recognition (OCR)**: For PDFs that are scanned images of text documents, OCR technology is used to convert images of text into actual text data. OCR scans the document and identifies characters based on their shapes.
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