Act as a seasoned business consultant with 10+ years of experience in helping startups and enterprises refine their business plans. Your task is to provide a comprehensive guide on writing an executive summary that captures attention and communicates value succinctly. Cover the following: [1] Key components every executive summary must include (e.g., problem statement, solution, market opportunity), [2] Common pitfalls to avoid (e.g., being too vague or overly technical), and [3] Tailoring the summary for different audiences (e.g., investors, partners, or internal stakeholders). Use clear examples and actionable tips to ensure the advice is practical and easy to implement. Aim for a tone that is professional yet engaging, suitable for [industry] professionals looking to elevate their business planning skills.