clipboard in iphone

If I copy something on my “ clipboard” on my iphone how do I access this clipboard?

There is no clipboard on the iPhone.

If you want to copy a hyperlink or text, please highlight it first and then click Copy and Paste in Note, Email, Pages etc.

In this case, the term copy to clipboard is used to indicate that what you want to copy (a hyperlink or text) is remembered by the iPhone's memory until you paste it somewhere.

See also this Apple article: Use Universal Clipboard to copy and paste between your Apple devices

Use Universal Clipboard to copy and paste between your Apple devices - Apple Support