can anyone help with anti-virus setup on how my drive is actually scaned?

there is a section in my antivirus software that lets you choose how your readers are scaned but I do not understand what they mean or who is the best option or fuller here is a list of what I
< br> Avoid files offline: If a bit off-line is activated, the file is ignored. Any request May set the bit offline, without offline file.
Open backup files using semantics: This option allows the scanning of files for security reasons are not normally readable by a specific user. Skip
offline and sparsely files (default): Some applications that the file rare little to indicate that part of the file is not present on the disc. Because some HSM products this bit and others do not, consult your supplier HSM to check if the sparsely-bit is set.
Skip rare and offline files with a Reparse: Some sellers use Reparse points. An application that uses Reparse points also use a device driver appropriate to manage Reparse
theres more capable didn't