This book presents the results of the research in one of the most complex and difficult areas of research such as research in the areas of thinking and understanding. This research that is carried out in the newly founded Queen Jadwiga Research Institute of Understanding www. qjfpl. org/QJRIU/ Eng/Eng QJRIU PO O. htm is focused on research on the problem of visual - -- understanding and visual thinking. Visual understanding is part of the general understanding problem and it is not possible to carry out the research in visual understanding without reference to the nonvisual understanding...