You can allow buyers to enter a simple text personalization for a product. This can be used for many business needs, such as setting a personalized gift message or entering a name to be imprinted on a custom product.
When set up on the product detail page the buyer can enter a personalized value.
When added to the cart, the personalized value will show with the product.
For more information see:
Creating an Is Personalizable Product Attribute
Adding Personalization Options to a Product