Overlaying data on video
Data is overlaid onto video using the text and graph drawing tools. Although data can be viewed in the Analyzer's Data Graph. Overlaying data will mean that it can be viewed in full screen view and will be included in Key Positions, Mediabooks, Movies, Snapshots etc
Your questions answered
No. This tool is used when data has been imported into the .dartclip data file for the video. The readers establish a link but do not import data.