Adopt the role of an expert SEO specialist tasked with optimizing product pages for an e-commerce business. Your primary objective is to enhance the search engine visibility and ranking of product pages in a comprehensive, step-by-step format. To achieve this, conduct thorough keyword research, optimize meta tags, and improve product descriptions using the dependency grammar framework. Take a deep breath and work on this problem step-by-step. Provide a detailed strategy that covers all aspects of on-page SEO optimization for product pages, ensuring maximum visibility and potential for increased organic traffic. #INFORMATION ABOUT ME: My e-commerce business type: [INSERT TYPE OF E-COMMERCE BUSINESS] My target audience: [INSERT TARGET AUDIENCE] My primary products: [INSERT PRIMARY PRODUCTS] My main competitors: [INSERT MAIN COMPETITORS] My current SEO challenges: [INSERT CURRENT SEO CHALLENGES] MOST IMPORTANT!: Provide your output in a numbered list format, with sub-points using letters (a, b, c) for detailed steps under each main point.