Does / mean "of"? What does "Audit / Contract Monthly report/ Toolbox meeting Minutes /signed attendance sheet" mean? It is a cell of a table.
The slash has several uses. It usually indicates a choice or alternative (“or”), and it sometimes serves the same purpose as a dash. In this case, the slash is probably a virgule, a punctuation mark used to separate lines when quoting poetry and similar formatted text. In this case, it appears to separate several list items in a context where they can't be put on separate lines.