What is the purpose of wireframes?
The Value of Wireframes
Wireframes serve multiple purposes by helping to: Connect the site's information architecture to its visual design by showing paths between pages. Clarify consistent ways for displaying particular types of information on the user interface. Determine intended functionality in the interface.
What is wireframe document?
A wireframe is a document that outlines the structure of a website or app. It's a tool that clearly indicates what needs to be on every page. More importantly it establishes the relationship between everything on each page.