You can use traceability links to make the relationships between views and tables clearer. These links are not interpreted and checked by PowerDesigner.
In the following example, the Book Sales view is shown as depending on the Title and Sale tables via two traceability links with their type set to depends on:
For detailed information about traceability links, see Core Features Guide > Linking and Synchronizing Models > Getting Started with Linking and Syncing > Creating Traceability Links.