Most people treat electric charges almost like physical (real) entities. They are assumed to exist in association with the fundamental particles (electrons and protons), and they could be transferred from one material body to another along with these fundamental particles. Similar electric charges are believed to repel each other, and dissimilar electric charges are believed to attract each other. These widely held assumptions, in contemporary physics, have neither a rational mechanism nor a logical basis. This article briefly explains the nature, structure, and mechanism of interactions between electric charges as given in an alternative concept proposed in the book ‘MATTER (Re-examined)’. Although these explanations differ from the currently accepted beliefs, they are based on consistent reasoning initiated by a single assumption about the existence of matter.