Slide is a versatile English word with multiple meanings:
1. Verb: To move smoothly along a surface while maintaining continuous contact with it.
2. Noun: A structure with a smooth sloping surface for children to play on.
3. Noun: A small piece of glass on which objects are placed for examination under a microscope.
4. Noun: A single page of a presentation (e.g. PowerPoint slide).
5. Noun: A decline or decrease (e.g. stock market slide).
6. Music: A guitar technique where the player slides their finger up or down the neck.