Cinemagraphs and plotagraphs are still photographs in which a minor and repeated movement occurs, forming a video clip. The difference between a cinemagraph and a plotagraph is a cinemagraph starts from a video. Plotagraphs start from a static photograph that has no motion. Cinemagraphs are way cooler in my opinion: here’s comparisons.
Here’s a lovely cinemagraph:
Enchantment Lakes, Washington State, by Imgur user DCMike