In software testing, the term "code coverage" precisely refers to the percentage of code lines tested by automated tests, whereas "test coverage" lacks a singular clear definition and can vary in meaning. While some, including Martin Fowler and ThoughtWorks, equate test coverage with code coverage, an alternative perspective views it as a measure of how much of a feature set is executed by a test, often described as the "happy path." This latter definition focuses on expected user interactions rather than actual user behavior, making it challenging to assess the test's effectiveness in reflecting real software features. Therefore, it is crucial to clarify the definition of "test coverage" to ensure a shared understanding among stakeholders.