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Access elements from hash (or access elements from URL) are used to capture information about a resource. They are often used for authentication, authorization, and identification purposes.

Access elements provide an easy way for users to navigate through different pages on your website without having to click through every single link. They also provide a means by which you can make your site more user-friendly and accessible for visitors who might have trouble navigating it with traditional navigation methods.

You can use another hash to assist you add elements to a specific hash. All you have to do now is save the components you want to add in a different hash and use the merge procedure. This method is a public instance method that belongs to the Hash class in the Ruby language's library.

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