Your form is what referral sources actually fill out — it's the public page linked from every source's QR code and referral link. You build it once per organization in Organization → Edit Questions (the form builder).
Each question also shows its Field ID in the footer of its card. This is the internal
reference used when writing copyable-text templates (e.g.
${response.first-name}), so it's worth keeping an eye on if you rename a question.
Click Save Form when you're done. The label next to the button shows how long ago your last save was.
To check how your form looks to a referral source — including any custom CSS you've uploaded — save it, then open one of the share links from the Sources page.
Under Organization → Manage → Form Overview you can also set:
See also: Field Types, Validation, Tracking Referral Sources.