This document discusses various concepts related to working capital management including gross working capital, net working capital, the operating cycle involving acquisition, manufacture and sale of products, permanent and variable working capital, dangers of excessive and inadequate working capital, determinants of working capital, the tradeoff between profitability and risk related to working capital, methods of financing working capital such as trade credit, bank credit, commercial papers and factoring, modes of security for financing, and approaches to working capital financing.