The View options refer to how much information you would like displayed about each citation. You can change the View options by going to the lower, right of the screen.
There are four different View Options:
Normal View-where you see the title information, what folder the citation is in, and whether there is an attachment included
Full View-where you see the all of the information related to each citation. It includes what you would see for normal view and much more.
Citation View-where you can select the format you wish to use and the citations will be displayed according to what information is necessary for the format selected. Depending on the citation type chosen, yellow means it is a required field that has missing information and blue means its missing information but not required by that particular citation style.
Table View-where you can see your citations organized as a table, which is perfect for Systematic and other types of Reviews: