You can export the view contents to either the PNG or SVG files from the File | Export as menu. (The latter is only available when the KNIME SVG Support is installed.)
It is worth noting the other usual view controls. The File menu contains the Always on top and Close options, besides the previously discussed Export as menu. The first option allows you to compare the multiple views easily by having them side-by-side and still working with other windows.
The rest of the menus are related to HiLiting, which will be discussed soon.
The configuration of nodes usually includes an option of how many different values or how many rows should be used when you create the view. Because the views usually load all the data (or the specified amount) in the memory to have a resizable content, too many rows would require too much memory, while too many different values would make it hard to understand either the legends or the whole view in certain cases.
The mouse mode controls allow you to select...