What is meant by the term visual communication?

Ineed a good science fair name i’m doing a homemade water filter and i have no idea what the title should be plz

You receive an email from an impressive-sounding stranger, professor alexander rothschild renard iii, president of the american institute for scientific political statesmen. he urges you to vote for his presidential candidate choice. this social media red flag is known as

How can smart devices benefit businesses, organizations, and social communities in the global marketplace?