I have linked several MS Access Tables, one has a LV value of "Long Binary Data" in MsysObjects Table whereas the table is only text and all other tables have no such Long Binary Data either.
It is short for ListView, one of the controls in MS Access. ListView means you're viewing the data like this in a list format:
Long binary data is the type of data you're currently storing into the cells. If you're interested, here is a more in-depth explanation of long binary data.