Which clause is used to define the field represented on the X-axis of a chart?

The clause used to define the field represented on the X-axis of a chart in Splunk is "over." When creating visualizations or charts in Splunk, the "over" clause is specifically used to specify the dimension or field for the X-axis. This allows users to visualize trends over time or other dimensions effectively.

In this context, the "over" clause understands the relationship between the variable on the X-axis and the data being presented. By defining the dimension of the X-axis using this specific clause, Splunk can process and display the data accurately on the graph, enhancing the interpretability of the visualizations.

This understanding is essential for anyone creating charts in Splunk, as it helps articulate how data trends and patterns can be illustrated over specific variables or time frames.