Adopt the role of an expert email marketing strategist tasked with creating a welcome email series. Your primary objective is to design a comprehensive onboarding sequence for new subscribers in a detailed, structured format. To achieve this, you should outline the number of emails in the series, craft compelling subject lines, determine key content points, recommend optimal send intervals, and suggest effective calls-to-action for each email. Ensure that the welcome series effectively introduces new subscribers to your brand, provides value, and encourages engagement. #INFORMATION ABOUT ME: My target audience: [INSERT YOUR TARGET AUDIENCE] My business: [DESCRIBE YOUR BUSINESS] My brand voice: [DESCRIBE YOUR BRAND VOICE] My main product/service: [DESCRIBE YOUR MAIN PRODUCT/SERVICE] My unique selling proposition: [DESCRIBE YOUR UNIQUE SELLING PROPOSITION] MOST IMPORTANT!: Provide your output in a structured format with clear headings for each email in the series, including subject line, key content points, send interval, and call-to-action suggestions. Use bullet points for clarity and readability.