1. End users can upload files, preview the project or ordering a product from a catalog. �ն��û�����ͨ�����ϴ��ļ���Ԥ����Ŀ���Ŀ¼�ж�����Ʒ��
2. A program of a compiler or assembler that examines source code to determine the significance of character groups and provides ordering and/or condensation. ��������������е�һ�ֳ��ó�����Դ�����Ծ����ַ���ĺ��壬����������/���
3. In programming language, such as COBOL, one or more data items, the contents of which identify the type or the location of a record, or the ordering of data. �ڳ���������ԣ�����cobol���У�һ�������ɸ���������������ڱ���ij����¼�����ͻ�������λ�ã����߱�ʶ���ݵ�˳��
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n.
1. logical or comprehensible arrangement of separate elements
2. the act of putting things in a sequential arrangement