(programming) The mode of a compiler or IDE that allows for debugging, with the availability of information such as variable names and line numbers from the source code.

(informal, rare) The debugging technique wherein a programmer explains a problem to someone else, and in the process realizes the source of it.

(programming) The practice in which a programmer attempts to solve a bug by explaining their code to an inanimate object, such as a rubber duck.

(programming) A form of software debugging allowing the user to step back and forward through the recorded prior execution of a program.