Backgrounds in the fifth edition of the tabletop role-playing game, Dungeons & Dragons, serve many uses, they provide several pieces of starting gear, some coin for your purse, some additional proficiency, and a ton of flavor for you to work with as you embody your character and really get into acting out their choices.
Baldur's Gate 3: What Are Backgrounds?
Backgrounds are an essential part of any character in Baldur's Gate 3. If you want to better understand them, this guide can help.