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graphic communication is the process of conveying a message through the use of visual art e.g pictures, drawings e.t.c. Surendra Pathi. + 1 other found this useful.
Portable Network Graphics (PNG) is a static file format for the lossless, portable, well-compressed storage and exchange of raster images (bitmaps). It features rich color control, with indexed-color, grayscale, and truecolor support and alpha-channel transparency.