In the question below four words are given in bold. These four words are may not be in their correct position. The sentence is then followed by options with the correct combination of words that should interchange with each other in order to make the sentence grammatically and contextually correct. Find the correct combination of the words that replace each other.

Optimization involves implementing (A) and identifying (B) ways to improve efficiency (C) and systems in order to increase processes (D) and effectiveness.

Correct option is D

The correct combination of the words that should replace each other will be “(A) - (B) and (C) - (D)". The sentence thus formed will be “Optimization involves identifying and implementing ways to improve processes and systems in order to increase efficiency and effectiveness.”
Implementing means: putting a plan, idea, or strategy into action, often through a series of steps or tasks.
Identifying means: recognizing, discovering, or pinpointing something, such as a problem, opportunity, or solution.
Efficiency means: the ability to do something quickly and effectively, with minimal waste of time, resources, or energy.
Processes mean: a series of steps or actions that are taken to accomplish a particular goal or task, often involving a set of guidelines, procedures, or protocols.