What characterizes a 'for loop' in programming?

A 'for loop' is characterized by having a predetermined beginning and end, allowing for the execution of code a specific number of times. This structure allows developers to define initialization, conditions for continuation, and an increment expression all in a single line, making it a concise and powerful tool for repetitive tasks.

By specifying the starting point (initialization), the condition that must be true for the loop to continue (termination condition), and how the index or variable changes after each iteration (increment), a 'for loop' provides clarity and control over the iteration process. This predictability is essential in scenarios like iterating through arrays, performing computations a set number of times, or automating repetitive tasks in a clear manner.

Other options like indefinite iteration or conditions leading to infinite loops do not apply to 'for loops' since they are designed to operate within a defined scope. Randomized iteration is also not a characteristic of 'for loops', which operate on fixed conditions rather than dynamic or unpredictable ones.