Excerpt from American National Dictionary for Information Processing This label is a word or phrase that indi cates the area or manner of usage of the item. For example, the label In programming indicates an area of usage, and the label Loosely, indicates a man ner of usage. The usage label is followed by a comma. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.