Output: Metrics are quantifiable measures used to evaluate the success of a company, project, or individual in achieving their objectives. In the context of marketing, metrics are essential for assessing the effectiveness of marketing strategies and campaigns. They provide marketers with data-driven insights that help in making informed decisions. Common marketing metrics include website traffic, conversion rates, click-through rates (CTR), customer acquisition cost (CAC), customer lifetime value (CLV), return on investment (ROI), engagement rates on social media, and many others. By analyzing these metrics, marketers can determine which aspects of their campaigns are working well and which need improvement. Metrics also enable businesses to track progress over time, set benchmarks, and align marketing efforts with overall business goals. In essence, metrics serve as a navigational tool that guides marketing efforts towards achieving measurable success and optimizing performance across various channels.