In order to use PDF2XL OCR to its full potential, there are a number of concepts you should be familiar with. This section explains those concepts in detail.

Tables and Fields: The most basic building blocks for PDF2XL's conversion.
Page Layouts and Document Templates: The next step after tables and fields.
Document Types: Documents can be either regular, or scanned.
OCR: Optical Character Recognition, the way PDF2XL OCR reads scanned documents.
Marking Mode: Different methods of interacting with your document.
Conversion Formats: Different ways to interpret the data in your document.
Associated Fields: Using fields to insert extra data into tables.
Predefined Fields: Fields that contain data about the document, rather than from the document.
Protected PDF: Why some files cannot be converted.