Ubuntu :: Applications Display In Unity

My partner is visually impaired and I have been having a close look at Unity as it could be of assistance to her. Using the dash opens the shortcuts and the display is looking good but at times cluttered. Ideally I would like to be able to arrange things that when she opens up the various section that interest her that only the installed programmes are displayed. I intend to ensure that everything of interest to her is loaded so apps available for download are of no interest and I would wish to have them removed from view.

the most frequently used items will end up automatically displayed and will be easily available to her but in the initial stages having so many items displayed only confuses. What would be the best approach to tackle the problem bearing in mind that I no doubt at times will have to go into her system and correct the odd foul up caused by her disabilities of which vision is one. Ideally I would like to reduce the all applications list so that it only displays the items of interest.

For my own benefit can you advise how I may install the ttf-mscorefonts in order that I can transfer my various templates over from my system as we share certain items. I am only wishing a couple of fonts and found that one could be freely downloaded from Fontmatics. They say that I should be able to copy the .ttf into fonts:.