Final answer:
The Comment drop selection allows you to attach notes to your intent in programming languages like Python and Java.
Step-by-step explanation:
The drop selection that allows you to attach notes to your intent is the Comment drop selection. This feature is commonly found in programming languages such as Python and Java. When using this drop selection, you can add comments or notes to your code that will not be executed, but can provide important information for other developers or yourself in the future.