Devices and smart home
HD
Abbreviation for high definition
In short and in plain language
HD stands for high resolution, and Full HD is a common level of it.
The picture is sharper than the old standard.
You often see this level on a television, a webcam or when streaming.
Definition
HD stands for high picture resolution, meaning a sharper image than the older standard resolution. Full HD is a common level for televisions, webcams and streaming.