I know what they were. My point is that many people use this and don't seem to properly understand it and appear to be think that it means definition #2 or #3.

I know what they were. My point is that many people use this and don't seem to properly understand it and appear to be think that it means definition #2 or #3. See the example I gave: https://news.ycombinator.com/item?id=29992408 https://news.ycombinator.com/item?id=29992408