Definitions for "Hidden object"
Keywords:  reader, field, element, submitted, tag
a form element and must be defined within a FORM tag
a form element used to pass value/name pairs when a form's data is submitted
a form field that is not visible to the reader
Keywords:  scene, displayed, object, image, user
an object that the user hid in the scene so that it would not be displayed while working on creating the image