Which of the following best describes the use of the 'try' block?

The use of the 'try' block is best described as defining a section of code that may raise errors. When code is enclosed within a 'try' block, it allows the program to attempt executing that code while preparing to handle any exceptions that may occur during execution. If an error does arise, the normal flow of the program is interrupted, and control is transferred to any subsequent 'except' blocks designed to catch and handle specific exceptions.

This mechanism is crucial for robust programming practices, allowing developers to anticipate potential errors and implement specific recovery strategies, thus avoiding unexpected crashes and ensuring a smoother user experience. The 'try' block thereby serves as a protective measure around potentially problematic code, effectively managing error scenarios while keeping the rest of the application functional.