This is locally known as a living room. In Oz we have a separate griller as part of a stove, here we do not. There is the cooktop and the oven, that's it. The top part of the oven, however, is called a broiler. It is similar to a griller as the heat produced above the food.
Most stoves provide a switch to select between the broiler and the oven.
The correct term for pot plants here is 'potted plants'. Sandwich - No known replacement. In Chicago there are a variety of train systems, and are therefore refereed to by system rather than just 'train'. The Metra services more out reaching suburbs and the Amtrak is an intercity train.