sentences:  Except for David A. Aaker's 7 main dimension of a market analysis including market size, market growth rate, market profitability, industry cost structure, distribution channel, market trends, and key success factor, there is another analysis of dimension market analysis.Based on Christina Callaway, dimension of market analysis can be divided into four parts which is environmental analysis, competitive analysis, target audience analysis, and SWOT analysis.The market analysis is to help company to illustrate current trend in the market and may affect the profitability (Christina, n.d.).