Inforgraphic is “graphical representation of information and data”. Infographics are often generally used to represent concisely data and statistics, or relationships or differences between two or more issues.
Gamification is simply the application of “game” mechanics to non-game entities.
“gamification” amounts to installing mechanics or systems that recognize and reward behavior. Through increased visibility of nuance, documentation of progress, and rewarding of seemingly minor (but critical) behaviors, a specific outcome can be achieved.