Concept:
Patient Package Inserts provide written information to patients about medicines.
Step 1: PPIs explain how to use the medicine safely.
Step 2: They include dose, precautions, side effects, and storage information.
Step 3: They do not replace pharmacist counselling but support it.
Step 4: Their main aim is standardized drug information for safe use.
\[
\boxed{\text{Provide standardized drug information for safe use}}
\]