The expression browser is available at `/graph` on the Prometheus server, allowing you to enter any expression and see its result either in a table or graphed over time.
This is primarily useful for ad-hoc queries and debugging. For consoles, use [PromDash](../promdash/) or [Console templates](../consoles/).
This is primarily useful for ad-hoc queries and debugging. For consoles, use [PromDash](/docs/visualization/promdash/) or [Console templates](/docs/visualization/consoles/).
<pclass="desc">Alerts are defined based on Prometheus's flexible query language and maintain dimensional information. An alertmanager handles notifications and silencing.</p>