There are several meanings for the word "sliding," so here are a few possible differences:

1. Sliding as a form of movement: Sliding refers to the action of smoothly shifting or gliding along a surface. It can be done intentionally by a person or object, such as sliding on ice or sliding down a slide. Slipping, on the other hand, refers to an accidental loss of traction or balance, often resulting in a fall.

2. Sliding as a function or mechanism: Sliding can also refer to a type of motion or mechanism where one object moves in relation to another. For example, a sliding door is a door that moves horizontally to open or close, while a swinging door moves on hinges. Similarly, a sliding window can be opened or closed by moving it horizontally, while a casement window opens by swinging on hinges.

3. Sliding in sports: In sports, sliding often refers to a technique used to maintain balance or control while moving quickly. For example, in baseball, a player may slide into a base to avoid being tagged out. In ice hockey, players may slide or glide on the ice to maintain speed and maneuverability.

Overall, the specific meaning of "sliding" can vary depending on the context in which it is used.