Comment by DonHopkins

1. Thank you for getting annoyed every time.

2. The name is not "X Window".

Citation: See the June 1988 "XNextEvent" newsletter, The Official Newsletter of XUG, the X User’s Group, "Things That Happen When You Say ‘X Windows’", for the definitive list of its official names, and the dire consequences of getting it wrong:

https://news.ycombinator.com/item?id=28522534