Every living room needs a sofa or a sectional. They can each be used two separately or a combination of their own. The sofas usually fit nicely next to the living room sofa as long as the décor allows it. But what about the other possibilities, the answer given for those is that is multifunctional. Here are some examples of sofas layouts, with dimensions ranging from long and comfortable to long to long and luxurious.
Picture sources: 1, 2, 3, 4, and 5.