Playlists allow you to group videos into a list that plays in sequence in the player. You can create manual playlists where you add and arrange the videos exactly as you want them or dynamic playlists where the videos in the list and their order is updated automatically and continously based on a set of rules that you specify.
Click on Playlists in the menu to open the playlists view. You will see a list of your playlists, here you can search for a playlist by name as well as select which type of playlist (Manual or Dynamic) you want to list.
Select a playlist to view its details. In this view you can also edit or remove the playlist.