A website flowchart is a tool used for a websites storyboard to depict the connections of each web page. The flowchart also helps the web designer understand how the different web pages are going to be connected throughout the entire website.
Flowcharts are visual representations of processes that could be done in the website. Flowcharts are similar to site maps; however, site maps are usually a single representation of how the users may navigate through the website. In flowcharts, they represent the different types of possible navigation that the user may do whilst in the website.
Depending on what operating system you have my best choice would be D since on some folders you can share permissions with other people. It really depends on what computer you're talking about.
