Certainly! Tracking product performance metrics is essential for understanding how well your product is doing, identifying areas for improvement, and ensuring customer satisfaction. Here are explanations for the metrics you mentioned, along with some others that can be useful:

1.  TTV (Time to Value): TTV measures the amount of time it takes for a customer to realize value from your product. A shorter TTV indicates that customers can quickly understand and benefit from your product, which can lead to higher satisfaction and retention rates.
    
2.  CHS (Customer Health Score): CHS is a composite score that reflects the overall health and satisfaction of your customers. It typically includes metrics like product usage, customer engagement, support requests, and customer feedback. A higher CHS suggests that your customers are happy with your product and more likely to continue using it.
    
3.  NPS (Net Promoter Score): NPS is a widely used metric for measuring customer satisfaction and loyalty. It is based on a single question: "How likely are you to recommend our product to a friend or colleague?" Customers respond on a scale of 0-10, with scores of 9-10 considered promoters, 7-8 passives, and 0-6 detractors. NPS is calculated by subtracting the percentage of detractors from the percentage of promoters.
    
4.  CRC (Customer Retention Cost): CRC is the total cost of retaining a customer, which includes expenses related to customer support, marketing, and loyalty programs. A lower CRC indicates that you can retain customers more cost-effectively, leading to higher profitability.
    

Other useful metrics to track product performance include:

5.  DAU/MAU (Daily Active Users/Monthly Active Users): These metrics measure the number of unique users who engage with your product daily or monthly. A higher DAU/MAU ratio indicates strong user engagement and can be a sign of product-market fit.
    
6.  Customer Churn Rate: This measures the percentage of customers who discontinue using your product over a given period. A lower churn rate suggests that customers are satisfied with your product and more likely to remain loyal.
    
7.  LTV (Lifetime Value): LTV is the total revenue you can expect to earn from a customer over the duration of their relationship with your product. A higher LTV indicates that customers are valuable to your business, and it's worth investing in their retention.