1. A system for classifying digitized documents, the system comprising: a processor-based document management system executed on a computer system and configured to: create and store a plurality of templates associated with a plurality of document classes, each template comprising a plurality of keywords; receive a digitized document to be classified; compare each template with the digitized document to be classified, wherein the comparison comprises: comparing a first area value associated with a template with a second area value associated with the digitized document, the first area value associated with a keyword indicating an area occupied by the keyword in the template, and the second area value that indicates an area occupied by a word in the digitized document to be classified; determine that a difference between the first and second area values is below a threshold value; and upon the determination that a difference is below a threshold value, identify the keyword as being a keyword for a word pair, and identify the word in the digitized document to be classified as being a corresponding word for the word pair.