Which of the following best defines a metric and describes its purpose?

Metrics show how many users have accessed dashboards you authored on a site. For dashboards you author, create metrics to see the top $10$ users who accessed them.

Metrics show the number of questions asked in an Ask Data lens. For lenses you authored, create metrics to monitor usage by number of queries.

Metrics dynamically show the value of an aggregate measure. For dashboards you regularly check, create metrics for the numbers you want to monitor and then track them all in one place.

Metrics allow other users to subscribe to dashboards you authored on a site. For dashboards you author, create metrics to enable subscriptions.