The main views of KNIME give you multiple options to explore data. These nodes do not provide options to generate images for further nodes, but they give quite a good overview about the data, and you can save the files using the File menu.
There are different flavors for some of the nodes: the interactive and the normal. With the interactive flavor, you can modify certain parameters of the view without reconfiguring (and executing) the view. The interactive versions are better suited for data exploration, but the normal ones make it easier to check certain things with new data.
The
Box Plot node has no configuration, but gives robust statistics (minimum, smallest, lower quartile, median, largest, and maximum) for numeric columns. You might wonder about the difference between the minimum and the smallest values or the largest and maximum values. The smallest is the maximum of the minimal value and the 
value. The largest is computed analogously.
The view gives...
