𝟰) 𝗟𝗮𝘄 𝗼𝗳 𝗖𝗼𝗺𝗺𝗼𝗻 𝗥𝗲𝗴𝗶𝗼𝗻 𝗘𝘅𝗮𝗺𝗽𝗹𝗲:
The contents of the navigation bar and the header bar are assumed as related since it has been grouped and separated from other body contents.

𝟱) 𝗟𝗮𝘄 𝗼𝗳 𝗖𝗹𝗼𝘀𝘂𝗿𝗲 𝗘𝘅𝗮𝗺𝗽𝗹𝗲:
The FedEx logo has applied this principle to make a small arrow appear between E and x.

𝟲) 𝗟𝗮𝘄 𝗼𝗳 𝗙𝗶𝗴𝘂𝗿𝗲-𝗚𝗿𝗼𝘂𝗻𝗱 𝗘𝘅𝗮𝗺𝗽𝗹𝗲:
Just by applying some backdrops we can easily identify which element is in the background and which element is in the front

𝟳) 𝗟𝗮𝘄 𝗼𝗳 𝗖𝗼𝗻𝘁𝗶𝗻𝘂𝗶𝘁𝘆 𝗘𝘅𝗮𝗺𝗽𝗹𝗲:
Things which are in straight line or in a curved line appearsare more related than randomly placed elements.

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@HTML_and_CSS_3

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