mod/data/field/
From MoodleDocs
You can create fields here...
Fields
(Please add descriptors here) Checkbox
Date
File
Menu
Menu (Multi-select)
Number
Picture
Radio buttons
Text
Textarea
Url
Usage
Import CSV? Export CSV? Number of entries for that field? Number of templates the field is being used in? How to convert existing Moodle database forms like assignments etc to the database module?