Defragmentation is a process in computing that rearranges fragmented files, which improves the performance of the hard drive. The word "defrag" is a popular term used to refer to this process. However, there are other terms that can be used synonymously with defrag, such as optimization, reorganization, streamlining, and reclamation. The aim of defragmenting, optimizing, reorganizing, streamlining or reclaiming your hard drive is to ensure its fast and efficient performance. These words may have different connotations, but their interplay to the same process of making sure your computer's hardware runs smoothly. Understanding these synonyms will allow users to communicate better about IT issues with their colleagues and friends.