FormObject — specify the structure of a form
FormFunction — submittable form
FormPage — page containing both a form and result
Interpreter — define literal or semantic interpretations for fields
Failure — object returned if interpretation fails
PageTheme — overall visual theme of the form
AskFunction — set up an interactive program that asks questions during evaluation
CloudDeploy — deploy an active form in the cloud
EmbedCode — generate code to embed the form on websites etc.
IconRules — specify icons for accessing the form on mobile apps etc.
URLDispatcher — set up definitions for dispatching from explicit URLs
CloudObject — symbolic representation of a deployed form in the cloud
Permissions — permissions for executing or modifying the form