The Product Canvas is a visual tool used by product teams to create a shared understanding of a product and its value proposition. It is typically used at the beginning of the product development process to align the team on the product's goals, target customers, key features, and other important aspects.

The Product Canvas consists of several blocks, which can vary depending on the specific use case, but some common blocks include:

1. The goal section in the Product Canvas outlines the overall vision and goals for the product. It provides a high-level overview of the product's mission statement and strategic objectives, which helps to provide context for the other blocks in the canvas and ensure that the team is aligned on the big picture.
   
   
2. Target Group - This block outlines the customer segments the product is designed for, including their demographics, psychographics, and any specific pain points or needs that the product will address. This block helps to ensure that the product team is focused on delivering value to its target customers.
   
   
3. Big Picture - This block describes the overall vision and goals for the product, including its mission statement and strategic objectives. This block helps to provide context for the other blocks and ensure that the team is aligned on the big picture.
   
   
4. Product Details - This block outlines the specific features and functionalities of the product that will deliver on its value proposition. This block includes information on the product's core features, as well as any additional features that may be added in the future.
   
   
5. Key Metrics - This block outlines the specific metrics that will be used to track the success of the product, such as customer retention rates, conversion rates, or revenue per user. This block helps to ensure that the product team is focused on delivering measurable results and continually improving the product over time.
   

Overall, the Product Canvas is a useful tool for product teams to create a shared understanding of the product, align on key goals and features, and ultimately develop a successful product that meets the needs of its target customers.