Suricata signature id meaning

I would like to know if we have a website where we can search for suricata signature id like snort to know more about the signature… something like this: Snort - Rule Docs

For ET signatures you can use

Hi Andreas, Thank you… How to get list of high low medium alerts.

This highly depends on your use case, but there are some meta informations within the ET rules that might help you classify those like severity.