Anchors can be used as targets of hyperlinks. They can be inserted into frame, artistic and table text, and on objects such as picture frames.
If you want to create a hyperlink to a specific point in your publication's content, i.e. an object or a position in text, you can insert an anchor at that point in advance.
Anchors are automatically named but can be renamed at their time of creation or afterwards.
On the Anchors panel: