Are you talking about Programs (icons) on the Start Menu?
If you are you have certain options, via Start/ Properties, like use small icons or scroll programs - Specifies whether to display the items on the Programs menu as one long scrolling menu or as horizontal pages. Depending on your screen resolution, if you have more than 29 or 38 programs installed, and you select to have one long scrolling menu, you can access the programs you don’t see by clicking the arrow at each end of the list of programs.