1. point; dot; speck
俺は腕を持ち上げて一点を指さした。I raised my arm and pointed at a single point.
2. one point; one matter; one detail
ただ一点、気になることがある。There is just one point that concerns me.
3. one point (in a game, exam, etc.); one mark
あと一点で私たちの勝ちよ。One more point and we win.
4. one item; one article; one piece
人気の商品は一点しか残っていない。There is only one of the popular item left.
5. slightest bit; trace; speck
with neg. sentence
将来に一点の不安もなし！Not the slightest worry about the future!