Complex sentence: A player can move one of their men to a vacant point one space in any direction (horizontally, vertically, or diagonally), or may jump over an adjacent man (friend or foe) to land onto a vacant point immediately beyond.
Split into simpler sentences: A player can move one of their men to a vacant point one step in any direction (horizontally, vertically, or diagonally). Or a player may jump over an adjacent man (friend or foe) to land onto a vacant point immediately beyond.