Final answer:
Companies typically develop a standardized core product and add-on modules to cater to different customer needs, aligning with the business strategy of focusing on core competencies.
Step-by-step explanation:
In offering a product line, companies normally develop a standardized core product and modules that can be added to meet different customer requirements. The concept of focusing on a core competency is essential in business strategy.
By creating a solid base product and offering additional customizable modules, businesses are able to cater to a broad range of needs without straying from their primary area of expertise. This approach provides the foundation for a versatile product line that can easily be adapted to various markets and customer preferences.