Forms can be:
embedded directly to web pages
displayed as stand-alone landing pages
These display options aren't mutually exclusive: You can have the same form shown at different locations either embedded or as a hosted landing page.
Form are responsive by default and synced real time to your account: any update you make in the form editor will immediately be reflected on embedded forms.
Display option 1: Embed the form on a web page
From the sidebar of the form editor, select the "Embed on website" option and click the "Get Embed Code" button then paste the code to your website.
To embed a form using Wordpress, paste the form code in the Text (HTML) editor mode:
Display option 2: Show forms on a hosted landing page
Grab the URL of the landing page from the form editor to display the form as a hosted landing page. In order to use vanity URLs you need to have a custom domain configured. In the absence of vanity URLs a default URL is used.
Here are some formatting tips to show forms on landing pages:
More form settings
Read more about working with forms such as styles, standard and custom fields, display options, subscriptions, etc.