refactoringThe process of improving your code after it has been written
Definitions:
The process of changing a software system in such a way that it does not alter the external behavior of the code yet improves its internal structure.
abstractionA concept that isolates actions from how they are implemented
Definitions:
A technique for arranging complexity of computer systems. It works by establishing a level of complexity on which a person interacts with the system, suppressing the more complex details below the current level.
constructiveHaving a positive effect; helpful
Definitions:
Serving a useful purpose; tending to build up.
debugFinding and fixing problems in your algorithm or program
Definitions:
Identify and remove errors from (computer hardware or software).
moduleThe breakdown of program functions into separate, interchangeable blocks of code
Definitions:
A self-contained component of a system, which has a well-defined interface to the other components.