... which stands for True Colour Imagery.
It's really wonderful! I used to download all separate three visible bands and took significant time to make them into RGB ones. Because I lack the hardware and skills to georeference them properly using suitable applications, I had to rely on Mapwarper('s precious bandwidth and storage). Very pleased with that: now I could use it, like, almost in an instant.
Now I can't wait for the launch of the second Sentinel 2 satellite l̶a̶u̶n̶c̶h̶, and I'm hoping it will be a̶ successful l̶a̶u̶n̶c̶h̶.
EDIT: OMG, my English; or what Malaysians would say, "oh my English"