A works team, or factoryEach team has a home base where the factory is typically based. From there teams of talented people, design, model... There's more... team, is a constructorIn formula 1 the Constructor is the team that enters the competition - a company, manufacturer or entity that designs,... There's more... who builds the entire car, including the PU, in their own facilities. The opposite is a customer teamA customer team is one who buys their PU from one of the works teams. Not all the teams have... There's more... who buys their PU’s from one of the works teams.
So in 2022 when Honda left F1F1 is the pinnacle of open wheel, single seater car racing and arguably the highest level of any motorsport globally.... There's more... and Red BullRed Bull Racing, also simply known as Red Bull or RBR and competing as Oracle Red Bull Racing in 2022,... There's more... took over the engine building function as Red Bull Power Trains, they became a Works team for the first time.