The ObjectInfo data structure is used to capture generic information about an object or feature calculated for a document page. The string qualifier and int_qualifier will be specific to the type of object and may not always be used. pointLocation are the two points used to represent the object spacially. The values may or may not be specific to type of object. For text lines it may be endpoints. Other possibilities in include 1st order moments. Essentially each object is represented in space by the lined formed by joining the two points