dry-cleaner’s = a shop/ store where clothes and fabrics are cleaned , esp. with chemicals
baker’s = a shop that sells bread and cakes
hairdresser’s = a place where you can get your hair cut, washed and shaped
stationer’s = a shop that sells stationery
optician’s = the shop/store where an optician works
delicatessen = a shop/store or part of one that sells cooked meats and cheeses, and special or unusual foods that come from other country