As John says, line-based lyrics haven't been used by the program for a couple of years. The video that you watched is relevant to pre-2015 versions of BIAB (if I recall correctly).
If you are running a recent version of BIAB, it's bar-based lyrics that are now used.
For a detailed explanation of bar-based lyrics go to 25:00 minutes on the below Youtube clip at PG Music Inc.
https://www.youtube.com/watch?v=ZCRt2hQ137MAlso, the Big Lyrics Window might be useful for you too when it comes to display chords and lyrics.
Lastly, there's a Lyric Document Window that allows for the lyrics to be displayed in a text document format.
Hope this helps.
Regards,
Noel