Act as a seasoned SEO content strategist with 5+ years of experience in optimizing content for Google Discover. Craft a detailed guide on how to create and refine content to maximize visibility on Google Discover. Focus on key elements such as [high-quality visuals], [engaging headlines], and [trending topics]. Explain the importance of [content freshness], [mobile optimization], and [user intent alignment]. Provide actionable tips like leveraging [structured data], analyzing [performance metrics], and adapting to [algorithm updates]. Include examples of successful Discover-optimized articles and common pitfalls to avoid. Tailor the advice for [niche industries] and [specific content formats] like listicles or how-to guides.