Homonym: Watermark (Authentication)
A watermark is a recognizable image or pattern embedded into paper or digital content, often used to indicate authenticity or ownership. In physical documents, it is created during the paper manufacturing process, making it visible when held up to light. Watermarks help prevent counterfeiting and unauthorized reproduction.
In the digital realm, watermarks can be logos or text overlaid on images or videos. They serve to protect intellectual property by discouraging unauthorized use. Commonly used by photographers and artists, digital watermarks help ensure that their work is credited and not misappropriated.