Switch

From Zelda Wiki.org

A Switch in the Zelda Series can mean one of many types of floor or wall switches designed to open doors, reveal chests or generally make something happen when activated. Some common types include:

• Floor Switch - a button that can be activated by being stepped on.
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  Crystal Switch
  Crystal Switch - small sphere- or obelisk-shaped switch that can be activated by being slashed by a sword or any other weapon. It will then change color.
• Eyeball Switch - a wall switch that looks like an open eye. When hit by an arrow, the eye closes and is activated.
• Sun Switch - activated by having light shone at it, either by a mirror or otherwise
• Grapple Switch - a ceiling-mounted switch which is activated by Link hanging from it using the clawshot/Grappling Hook or similar.