Web Chat conversations are screenshots that capture the online versions of:
Chats can be filtered from the upper left area of the log page. Options include All, Starred, or a drop down selection to show All chats, or each individual app only.
Use the drop down selector to view screenshots belonging to the chats you are interested in. Scroll through the screenshots at the bottom of the page, or clicking the navigation arrows to the left and right sides of an image.
Other options include a star icon to flag a record, and a trash can icon to delete it.
See also the Desktop Chats log.