1. The document discusses various marketing indices and their purposes, including brand development index, category development index, market penetration, heavy usage index, awareness/attitudes/usage tracking, customer satisfaction and recommendation willingness, and net promoter score. 2. Key indices discussed include the brand development index and category development index, which assess brand and category performance within customer groups, and heavy usage index, which defines and measures whether a firm's consumers are heavy users. 3. Other indices addressed are market penetration, awareness/attitude tracking, customer satisfaction and recommendation willingness, and net promoter, all of which provide indicators of customer value, competitiveness, trends, purchase intentions and loyalty.