How to read(understand) data info in access.log?

[woshishitou]

one log for example:
47.66.77.50 - - [14/Mar/2023:07:26:48 +0000] apitest.xyz.site "POST /for/search HTTP/1.1" 200 15261 5.137 "-" "PostmanRuntime/7.29.2" 172.11.22.100:1017 200 0.137 "http://apitest.xyz.site"

How to understand 5.137 and 0.137？
Is there documentation on the format of log file parameters?