Definition of causality for English Language Learners. : 1  the relationship between something that happens or exists and the thing that causes it. : 2  the idea that something can cause another thing to happen or exist.
up vote 3 down vote accepted. Copy Source (internal name is _CopySource) field contains the URL of the source document. SharePoint sets this out of the box when moving a file through the UI, though it is settable programmatically too. share | improve this answer. answered Apr 13 '12 at 6:42.
COPY is usually used to copy one or more files from one location to another. However, COPY can also be used to create new files. By copying from the keyboard console (COPY CON:) to the screen, files can be created and then saved to disk. The first filename you enter is referred to as the source file.