The Traceability Links tab lists objects attached to the requirement.:
You can use the following tools to create traceability links:
Tool
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Description
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Add Links to Design Objects - attaches design objects to the requirement. Design objects are selected from design models open in the workspace
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Add Link to External File – attaches an external file (whatever the format) to the requirement. The external file is stored in a Files folder within the model.
See Defining a bookmark in an MS Word document
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Add Links to Other Requirements – attaches another requirement to the requirement. The second requirement is drawn from the same model (but from a different hierarchy or root requirements), or from another model open in the workspace.
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