What is the general goal of the feature? Sometimes survey organizers want to share more information about the meaning or intent of a particular question. Hints can be used for this but they will always be displayed. A new hint form called "guidance" was recently introduced to the ODK XForms spec to…

Guidance hints have been supported in XLSForm since July 2018 and are documented at http://xlsform.org/en/#guidance-hints .