The Owner Data page is a place to track your own research on a lead, not just the data we pull in for you.
Lead Info
Lead Temperature — how warm the lead is, for example Warm or Hot
Lead Source — where the lead came from, for example Driving for Dollars
Lead Notes — detailed notes from your calls, drive-bys and research
Owner contact data
Names, phone numbers, emails and corporate entity information are kept in the same place, so the person you are negotiating with and your notes about them stay side by side.
Where to find it
Open a project, click Data in the sidebar and select Owner Data.
Read the full article: How do I track lead details on the Owner Data page?