What is tapping?

The term 'tapping' is broad and can refer to several technologies. It could refer to: 1. **Emotional Freedom Techniques (EFT) or Psychological Acupressure:** A technique using fingertip tapping on meridian points to reduce stress and improve emotional well-being. 2. **Telephone tapping (wiretapping):** Interception of telephone or other communication lines to eavesdrop on conversations. 3. **Tapping Mode (Atomic Force Microscopy):** A mode in atomic force microscopy where the cantilever oscillates and taps the surface to image soft or delicate samples. 4. **Maple syrup tapping:** Drilling a hole in maple trees to extract sap for maple syrup production. The meaning depends heavily on the context.