
Based on the provided information, a table designed to go behind a couch is most commonly called a sofa table or a console table.
The terms "sofa table" and "console table" are often used interchangeably in the home furnishing industry. These tables are characteristically long and narrow, with a height that is typically the same as or slightly lower than the back of the sofa they are paired with.
This type of table serves both functional and aesthetic purposes. It can be used to hold lamps for ambient lighting, display decorative items like vases or photos, or provide a convenient spot for drinks and books. In open-concept living spaces, a sofa table can also help to define the area and create a more finished look for the back of an exposed sofa.


