Which modifications help products meet customer needs, such as tailoring clothing or increasing computer memory?

The concept of modifications made to products to better satisfy customer needs aligns closely with alterations. Alterations typically refer to physical changes made to existing products, such as tailoring clothing to fit an individual's specifications or adjusting computer settings to enhance memory capacity. These actions are about changing the product's structure or capabilities directly to better cater to the user's preferences and requirements.

Customizations, while similar, usually involve a broader scope where customers choose specific features or options at the point of purchase, rather than making changes to an existing item. Add-ons generally refer to supplementary items that enhance a product but do not involve changing the core product itself. Enhancements can imply quality improvements or upgrades, but they may not necessarily align with direct modifications to customer specifications in the same way alterations do.

Therefore, the focus on direct changes to suit individual customer needs defines alterations as the most appropriate choice in this context.