It seems that in this article, they don't think Russian air defense will be able to shoot down F-16s. The way this is written seems like they said we have to write an article saying that F-16s would allow Ukraine to hold the line and filled the rest around that point.
Regular bomb: dumb and unguided, falls downwards, needs to be dropped on top of an enemy that's probably trying to prevent you from getting into position to do so.
Glide bomb: cool wings and rudders and stuff, glides horizontal and pretends to be a cruise missile, can be dropped from safe a distance away where nobody can shoot back.