Manor is one of Switzerland’s main department stores and there is one in each major town. We often visit the one in Zurich or Luzern but surprisingly we most often visit for lunch as opposed to shopping. (In fact we had first heard about them back in 2004 in the Lonely Planet Guide as a recommend place to eat).
They have a huge buffet style restaurant where you can pick and choose from pre-made deli style meals or have something made on the spot. When I was in Luzern last, I was happy that it was a quiet but sunny day as I had yet to venture up onto their roof top balcony. What a great way to spend eating a quick lunch on the rooftops of city of Luzern!