| A | B |
| 8.3 alias | Short filename with a maximum of 8 characters and 3 character extension |
| Application File Icons | Icons that start an application, such as word processor or spreadsheet program |
| Copy | To duplicate a selection, file or folder and place in another position or location |
| Destination | When copying or moving a file, the location when the copied or moved file will reside |
| Disk Cleanup | A prrogram that enables you to clear your disk of unnecessary files |
| Disk Defragmenter | Rearranges disk files, storing each file in contiguous block |
| Document file icons | Icons that share the same distinctive feature, a piece of paper with a superimposed graphic |
| Extension | The part of the filename that comes after the period |
| Filename | A name assigned to a file for identification |
| Fragmented Files | Files that are not stored in contigous clusters |
| Move | To cut a selection, file or folder and place it in another place or position |
| Parent Folder | A folder containing one or more subfolders |
| Source | When copying a file, the file that is being copied. |
| Subfolder | A folder within another folder |