To define key metrics for Instacart, we need to consider the goals of the company and the objectives of the product. Instacart is an online grocery delivery service that allows customers to order groceries from local stores and have them delivered to their doorstep. One of the primary goals of Instacart is to provide a convenient and efficient service to its customers. Here are some key metrics that could be used to measure the success of the Instacart product: 1. Customer acquisition cost (CAC): This metric measures the cost of acquiring a new customer. Instacart could track the cost of advertising, promotions, and other marketing efforts to see how much it costs to acquire new customers. 2. Customer lifetime value (CLV): This metric measures the total value of a customer over the course of their relationship with the company. Instacart could track how much each customer spends and how frequently they use the service to determine their CLV. 3. Order frequency: This metric measures how often customers are using the service. Instacart could track the number of orders per week or month to see how often customers are using the service. 4. On-time delivery rate: This metric measures the percentage of orders that are delivered on time. Instacart could track the on-time delivery rate to ensure that customers are receiving their orders in a timely manner. 5. Customer satisfaction: This metric measures how satisfied customers are with the service. Instacart could use customer surveys and feedback to measure customer satisfaction. By tracking these key metrics, Instacart can identify areas where it is succeeding and areas where it needs to improve. This data can be used to make informed decisions about product development, marketing, and customer service, ultimately leading to a better customer experience and increased revenue for the company.