英文over、along同through有咩分別？

over係指在…上方,在…上面;越過..
又可以解 完結...
we are over咁...

along係指沿住一個直線方向咁行,,,,,
好似walk along ,,,,,,

through係指穿過,透過,完全既意思
好似through the night(整晚)
through the window(透出窗口)

across有交叉,縱橫通過,橫穿咁既意思...

towards係 向著,朝著某某方向咁解,...
好似she is running towards me(她正向我跑來)