What we are trying to do in Drupal 7: create a block that can be attached to the view of the view or time of the node taxonomy. In this block, the user can add links. These links may point to contacts, documents, links to other websites, or taxonomy terms. In the background, the user can select a contact, document or link. Then the user gets a list of all the nodes where this link is used. If the link is changed, it is updated in all nodes where it is used.
In other words, a node link that works in both directions for multiple nodes. Any ideas are greatly appreciated :)
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