If you've been looking at a new TV or monitor, it's likely you've heard mentions of "4K" and "UHD," or Ultra High Definition. Here's what they really mean.

4K almost always means the TV has 3,840x2,160 pixels (the "building blocks" of a TV image). UHD stands for "Ultra High Definition," also known as UltraHD, but basically means 4K.

But now that "4K" has gained traction as a term used to describe TVs and content, "2K" is becoming increasingly common as shorthand for the 1080p resolution used by most HDTVs, as well as Blu-ray.

Plus, all Warner Bros. movies released this year and going forward will be streaming in 4K UHD when they arrive on Max following their theatrical windows. Right now, you can stream recent releases ...

4K, UHD, and Ultra HD First up, you should know what the “4K” on the box means. The term is a shorthand, and refers to the approximate horizontal display resolution of the set (in this case ...

Star Wars fans won't need Disney+ to watch Star Wars' entire Skywalker Saga in 4K UHD. On March 31, the films finally go on sale in high-resolution formats.