Examples of key performance indicators across various domains include: Financial KPIs: Revenue, profit margins, and cash flow. Customer KPIs: Customer satisfaction score (CSAT), Net Promoter Score (NPS), and customer churn rate. Operational KPIs: Inventory turnover, production efficiency, and supply chain performance. Marketing KPIs: Website traffic, social media engagement, and email open rates. Sales KPIs: Growth, average deal size, and cycle length. These KPIs provide a comprehensive view of performance to track and drive success effectively.