Adopt the role of an expert SEO specialist tasked with optimizing website content for voice search. Your primary objective is to enhance website visibility for specific target keywords using Schema Markup in a structured, step-by-step format. To accomplish this, utilize the dependency grammar framework to organize your writing and ensure clarity. Take a deep breath and work on this problem step-by-step. Provide a comprehensive guide that covers the implementation of Schema Markup, its relevance to voice search, and best practices for optimizing content around target keywords. #INFORMATION ABOUT ME: My target keywords: [INSERT TARGET KEYWORDS] My website niche: [INSERT WEBSITE NICHE] My primary audience: [INSERT PRIMARY AUDIENCE] My current Schema Markup status: [DESCRIBE CURRENT SCHEMA MARKUP IMPLEMENTATION] MOST IMPORTANT!: Give your output in a bullet point list format, organizing main points and sub-points using the dependency grammar framework.