Answer to Question 1
a specialty store has a narrow focus of merchandise while a department store offers a wide variety of merchandise
Answer to Question 2
(6) Giorgio Armani, Roberto Cavalli, Prada, Dolce and Gabbana, Gianfranco Ferre, Frida Giannini for Gucci, Valentino, Anna Molinari for Blumarine, Versace, Max Mara, Fendi, Ferragamo, Krizia, Missoni, etc.