Visual representation of search results from inline searches, pivots, or reports. There are many Splunk platform visualization options, including tables, line and area charts, Choropleth maps, and single value visualizations.
In a Splunk platform dashboard, each panel contains one or more visualizations.
Visualizations use Simple XML source code. You can edit this code to customize a visualization.
Splunk Web Framework views correspond to Simple XML visualizations.
For more information
In Dashboards and Visualizations:
In Developing Views and Apps for Splunk Web: