The phrase "discussion part" refers to a specific section or portion of a conversation or meeting where people talk and exchange ideas about a particular topic. Full definition
If you keep reminding workers of the courses and make training discussions part of the everyday chatter of your staff, you are one step closer to blending it into the company culture, alongside happy hours and complaining about Mondays. (elearningindustry.com)
It is recommended that those individuals who wish to view the Master Class via livestream do so in pairs, so that they may participate in the small discussion part of the experience. (gse.harvard.edu)
From the whole discussion part it seems that they actually believe what is in the Wegman report, and that Wegman, their statistician colleague, could be trusted to conduct himself like a scientist... poor sods. (deepclimate.org)