Meaning JMeter test results of the field:
Label: custom HTTP request name.
Samples: this test represents the total number of requests issued.
Average: Average response time period and when using the Controller Transaction, the units may be Transaction
Medium: median, 50% long user response.
90% Line: 90% long user response.
Min: the minimum length of time in response to access the page.
Max: maximum length in response to access the page.
Error: total number of errors requests / request.
Throughput: By default, represents the number of requests is not completed in seconds.
KB / Sec: amount of data from the server receives per second.