What does "3 seater chesterfield sofa" means?

What does "3 seater chesterfield sofa" mean?

Chesterfield sofa: Chesterfield sofa is named after the transliteration of the British sofa.
Chesterfield sofa is an iconic style sofa originated in the United Kingdom, which is characterized by a mid-length armrest sofa with equal height armrests and backrests, a classic pull-button design and a smooth shape curve.

Legend has it that a fine leather sofa custom-made by the 4th Earl of Chesterfield, a famous diplomat, statesman and writer, whose works are elegant and meaningful, just like the feeling of his custom-made sofa . Therefore, Chesterfield has become a special designation, which distinguishes it from the general leather sofa. Because of its unique shape and exquisite workmanship, it has the reputation of the mother of sofas.

In the 20th century, no home would be complete without a Chesterfield sofa.

Today, the Chesterfield sofa remains an iconic style, with a wider variety of leathers, colors, designs, and prices that are not unattainable. Admittedly, today's Chesterfield sofa may no longer be called the sofa elite, but it is still a symbol of good taste.