How can metrics be visualized in CloudWatch?
* Metrics collected by CloudWatch can be visualized using CloudWatch Dashboards, which allow users to create custom dashboards to display and monitor metrics from various AWS resources and applications.
* Additionally, you can build custom dashboards to combine multiple metrics from different AWS services or custom applications.
* These dashboards can include line charts, stacked area charts, bar charts, and more to visualize metric trends and performance.