field_info_instance_settings($type) Returns a field type's default instance settings. Read more about field_info_instance_settings($type)
field_info_field_types($field_type) Return info from calling hook_field_info(). Read more about field_info_field_types($field_type)
FieldInfo::prepareInstance($instance, $field_type) Prepares an instance definition for the current run-time context. Read more about FieldInfo::prepareInstance($instance, $field_type)
