I think what he means is that when he downloads the addons from another server (models, pictures, and possibly sound)Â he wants to download the scripts for them so he can use it when he's in single player.
Simpler explaination: Normal= Downloads models, maps, pictures, and sound if wanted. But not the cs file and what ever puts the maps on the menu that allows you to activate them in singleplayer and in your own server. His version= Download everything, including the cs file that activates the addon and whatever allows you to use the maps. (I suck at explaining things.)