Rex, the Clone Captain, is seen with a Mon Calamari character, positioned close to a holotable device.
A holotable, sometimes written as holo-table, was a type of furniture designed to display holograms floating above its surface. These were utilized by the military for analyzing combat situations, and by regular people for communication or entertainment, like watching sports.
Holotables are a significant element in the official canon mobile game from 2015, titled Star Wars: Galaxy of Heroes. Players use them to engage in battles that feature a wide assortment of Star Wars personalities.