Within Buildxact when you set up a customer you can track them by type.
You can create your own Customer types.
In the Navigation menu click My Account - Customer Types. Click + to add new types, and then the orange tick to save.
To track a lead, set up a new customer, and choose "Lead".
Your Customers will then be sorted in the Navigation menu to the left by their types
When the lead becomes a quote you can update the type accordingly.