Xbox

Xbox is a video game brand created by Microsoft.

The term Xbox may also refer to-

Consoles

Xbox (console)- the 2001 console which was the first Xbox ever released.
Xbox Development Kit - Used to make software for the Xbox in 2002-2003
Xbox 360- the sequel to the original Xbox which was first released in 2005.
Xbox 360 S- a slimmer model of the Xbox 360, that was released in 2010.
Xbox 360 E- the last console in the Xbox 360 product line, released in 2013.
Xbox One- the 2013 console which was released as a successor to the Xbox 360.
Xbox One S, the slimmer, white model of the Xbox One. It was released in 2016.
Xbox One S- All-Digital Edition, an Xbox One S but without the disc drive. It is set for release in 2019.
Xbox One X- The most powerful Xbox ever, capable of playing games in 4K UHD. It was released in 2017.