There are different Lead Sources the system recognizes in order to give you an indication of where the contact came from. This information depends on what we can see about that contact at the time they register.
PPC - This lead signed up from a tracked link. Either from advertising or from a squeeze.
Direct - This lead signed up not having arrived from anywhere in particular. This is common if people type in your URL by hand off of a business card or similar print.
Organic - This lead was brought to your site from internet search results.
Agent - This lead signed up on an Agents' website
Agent Added/Inputted - The Agent added this lead by hand
Imported - This lead was imported via email imports, or via the Broker Dashboard