I configured my xterm using the
CTRL-RightClick. Is there a way to export save these settings?
I don't think you can save settings of a running Xterm to a file. Xterm settings are specified via X resources. Each of the entries in the menu corresponds to a resource. The manual lists the available resources. Near the end of the resource section, you'll find a description of the menus, and for each menu entry, a description of the action it invokes; and for each action, the manual indicates what it does, which can be to modify a setting controlled by a resource.
When your X session starts, resources are loaded from
For example, to enable the blinking cursor and allow applications to change the window title, put this in