What aspect of programming does documentation primarily enhance?

Documentation primarily enhances code readability, which is crucial for a variety of reasons. When code is well-documented, it becomes easier for developers to understand the intentions behind the code, the functions of various components, and how to use the code effectively. Clear documentation serves as a guide that helps both the original developer and others who may work on the code in the future.

Good documentation includes comments in the code, explanations of algorithms, and guidelines for how to use classes or functions. This not only facilitates smoother collaboration among team members but also aids in the onboarding process for new developers who might be learning the codebase. When code readability is improved through documentation, it can significantly reduce the time spent trying to decipher what the code is doing, leading to more effective maintenance and faster development cycles.

Improving readability through documentation does not directly enhance coding efficiency, debugging speed, or software compatibility, but it does create a foundation that can indirectly support those aspects by making the codebase more accessible and easier to work with.