Of course they all mean the same today, but understanding where and when the word was introduced in England, allows you to sit back and relax.
The earliest referenced is the Settee, originating from the medieval ‘settle’, a wooden long bench with a straight back and arms.
During the renaissance, the fabric covered Couch was imported from the French.
Soon after the Chesterfield was born on our own English soil, although not necessarily from the city of the same name. Chesterfield refers to the upholstered and buttoned form.
With modernism, the Sofa referring to low level seating from the Arabs, reflected the bohemian trend popular throughout the 20th century.
At www.roomscape.net we stock a range of chesterfield sofas & chairs.