Web, domains and email
sRGB
Abbreviation for standard Red Green Blue
In short and in plain language
sRGB is a fixed rule for colours on screens.
It sets how a colour should look.
Images for websites are usually saved this way. Then the colours look much the same on many devices.
Definition
sRGB is a widely used colour space that defines how colour values are displayed on screens. Images for websites and online shops are usually saved in this colour space so that colours look similar on many devices.