I do like Mike's distinction made between the expressions "snapshot", "candid photography", and in addition to these two "photojournalism", they represent my exact thoughts on the matter, too. A snapshot is a photo taken without any forethought at all, and often enough the outcome looks like it: very random, and mostly uninteresting to the viewer, unless the viewer is a) a person inside the photo, or b) the person who took the photo. That said, another thought springs to mind, i.e. that more often than not those persons who get featured by a snapshot DON'T like themselves in the photo, as they might be captured in such fraction of a second when they don't look their very best.
Candid photos are planned and composed, but the featured persons were not aware a camera was directed at them (or cleverly pretended not to be aware of the fact, ignoring the camera and continuing what they were doing as if there were no camera around).
As to your photos here: I see some candids, some "staged" (wrong expression...) photos, and some snapshots.
The two photos taken inside the car I take as candids. Sleeping person didn't know anything about being photographed ... though on second thought, and studying the position of the arm, it might be a staged self-portrait, too!?!?!?!? :scratch: But surely the driver had to focus on his driving and didn't know he was becoming the subject of your photo. While it is quite noisy and also shows wee bits of camera shake, I like the natural light used, his apparent focus on his driving, the steering he does (motion blur in his hand) and the fact that he's going at 50mph

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After these two, commenting becomes a little harder since a) the photos are no longer spaced and b) you did not number them at all, and I don't have the time to count and recount all the while...
While the positions the children in mid-jump look funny and will certainly bring a smile to their parents' faces, the fact that the background is sharp but the children are blurred by motion blur pushes them more towards the snapshot type of photos as they would have been pushed if either you had panned or chosen an even faster shutter speed to really "freeze" them mid-motion.
The third and fourth photo are the two that I'd call "staged" (in a way), since they kind of stopped and looked and "posed" and took up "communication" with the photographer (and ultimately also with us, the viewers). I like those best of the entire series, although 3 is slightly overexposed and the girl in the sun is all washed out (as is the foam), and even though limbs are being cut off in 4 (girl in blue got cropped right through her knees, girl in red lost her hand).
In the last and that one with the smiling girl with white towel around her waist, your focus slipped. The faces are out of focus, and in the case of the photo of the girl, it went to the background. Such issues in a photo push a photo clearly into the "snapshot category" in my estimation.
Do you have any more questions? Then come back and ask. I am sure we will help you. In the future, try to help US by putting spaces between your photos and by numbering them, ok?
