Your WordPress site comes with Gravity Forms installed. Gravity Forms is a very easy-to-use plugin that allows you to quickly create simple forms within your site to collect data. Creating a form does not require you to have any programming experience. These forms can email you or other people the submitted results, or store the information within WordPress for viewing at any time.
If you need a form that does a lot more complex data collection and displaying, you may need to read our article on creating Formidable Forms here.
Example of a Gravity form:
Gravity Forms has a well-documented user guide on their site.
For advanced alternative layouts, check out CSS Ready Classes.