Simple Definition of inset. : a small map or picture that is shown
on or next to a larger map or picture in order to show more detail.
: a piece of something that is added to something larger often for
- JavaFX; https://docs.oracle.com/javase/8/javafx/api/javafx/geometry/Insets.html
HBox hbox = new HBox();
hbox.setPadding(new Insets(15, 12, 15, 12));