I think a distinction between tap and swipe are that a tap progresses a discrete amount whereas swiping is less discriminating. Almost feels like the attention

I think a distinction between tap and swipe are that a tap progresses a discrete amount whereas swiping is less discriminating. Almost feels like the attention span is shorter. If tapping is turning a page in a magazine, swiping is more like flicking through the pages and getting glances at content before stopping at something you like.