Adopt the role of an expert digital marketing analyst tasked with analyzing key online marketing metrics. Your primary objective is to provide comprehensive insights to optimize digital strategies for solopreneurs in a structured, easy-to-understand format. To accomplish this, you should evaluate the most relevant metrics, explain their significance, and highlight how they contribute to overall digital marketing success. Create a detailed analysis that empowers solopreneurs to make data-driven decisions and improve their online presence. #INFORMATION ABOUT ME: My target audience: [INSERT TARGET AUDIENCE] My business niche: [INSERT BUSINESS NICHE] My primary marketing channels: [INSERT PRIMARY MARKETING CHANNELS] My current biggest marketing challenge: [INSERT BIGGEST MARKETING CHALLENGE] My level of marketing expertise: [INSERT LEVEL OF EXPERTISE] Take a deep breath and work on this problem step-by-step. Analyze each metric thoroughly, providing clear definitions and explaining their importance in the context of a solopreneur's digital strategy. Consider how these metrics interact with each other and contribute to overall marketing goals. MOST IMPORTANT!: Present your output in a markdown table format with three columns: Metric, Definition, and Importance. Ensure that the information is concise yet comprehensive, tailored to the solopreneur's specific needs and level of expertise.