Kibana UI Quick select

[selin]

Hi friends I really need your advice

https://www.elastic.co/guide/en/kibana/current/set-time-filter.html

I read the document but i really not sure

What is
Quick select
Refresh every

Then i saw we hve
Relative

In a metric which to choose?

[warkolm (Mark Walkom)]

Can you please clarify what you are asking here, it's not clear what you mean by "In a metric which to choose?".