Final answer:
The term 'Platform-specific utilization' aptly describes the use of unique features specific to a particular platform.
Step-by-step explanation:
The term that best describes the capability to leverage features that are unique to a specific platform is C) Platform-specific utilization. This term indicates that a program or application has been designed with certain functionalities that are exclusively used on a certain platform and take advantage of that platform's unique features and capabilities. In contrast, Cross-platform compatibility refers to the ability of software to operate on different operating systems or platforms. Feature agnosticism would imply that the software or application does not rely on specific features of a platform. Universal functionality implies that the functionality is designed to work the same way across various platforms.