The term "skip" can have several meanings depending on its context.
1) In a game or activity, skip refers to moving ahead in turn without completing one's action. For example, if it is your turn to play and you pass your turn to the next player, then you are said to be skipping your turn.
2) In music, skip means playing two notes at once by holding a key down while pressing another key. This creates an effect of playing faster or creating a more complex melody.
3) In computer programming, skip refers to jumping over certain lines of code during the execution process. It is used when you want to execute some other part of the program instead of the current line being executed.
4) Finally, in everyday language, "skip" can also mean to avoid or neglect something important. For example, if someone says they are going to skip their appointment with a doctor because they don't feel well, then it means that they will not go for their scheduled visit.