You can customize your Forms configuration under the Admin Panel > Configure Site > Social Networking > Forms tab.
Here you can customize the language phrases and settings.
You can create forms/surveys under the Admin Panel > Elements > Add Form page.
On this page you can customize the form/survey, such as how you want to process the form, if you want to save the submitted form data in the database, who can submit the form/how many times, who can access the data, etc., and language phrases.
Next, you will want to create the form fields for the form/survey. Go to the Admin Panel > Elements > List Forms page.
There, click on the Fields button to go to the Form Fields page.
(You can also get to the List Fields page by clicking on the "List Fields" link on the Edit Form page).
There click on the Add Form Field tab on the right side of the page.
You can add up to 20 form fields at one time.
And finally, to embed your created form/survey in your webpage, get the Placeholder Text on the List Forms page, and just copy/paste it where you want!