Question

which option is use for make picture watermarks or light background?.........​

Answer 1

Answer:

Traditionally, a watermark was a mark or design placed on paper that was produced by the creation of a variation in the thickness of the paper. Watermarks were only visible only when the paper was held up against light. Watermarks can be used to identify the manufacturer, or the grade, of paper. Today, watermarking has gone digital. Digital watermarks can be added to image or video files, so that the information contained in the file can be identified and copyright protected. Audio files can also be watermarked.

Explanation:

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