Data import templates is a mapping of fields from your source system to Lattice. View templates allows users to view this mapping at anytime.
Each template now comes with an option to view the template or mapping. Select the "View Mappings" option
The system shows all the available mappings. At times, the user might have large number of column mappings where it is convenient to download & analyze the mappings in a separate spreadsheet - Download Mappings option provides this functionality.