Function/Purpose Relationship

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An object is connected to what it is used for or its primary purpose.

Function relationships connect an object to its purpose or primary use. The first word names a tool, device, or object; the second describes what it does or what action it enables. This relationship captures the designed intent or typical use of things.

A is used to B (A's function is B)

• pen : write :: knife : cut
• camera : photograph :: telescope : observe
• oven : bake :: refrigerator : cool

How to recognize it

• Ask: 'What is this object designed to do?'
• The first word is typically a noun (the tool)
• The second word is typically a verb (the action)
• Both pairs show the same tool-to-action pattern

Common mistakes

• Confusing primary function with secondary uses
• Reversing the relationship (action : tool instead of tool : action)
• Choosing overly general functions

Practice guidance

Verbal Reasoning