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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.
Definitions for portable network graphics. Portable Network Graphics. Portable Network Graphics is a raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for Graphics Interchange Format, and is the most used lossless image compression format on the World Wide Web.