A playlist is a selection of tracks you can choose to listen to rather than your entire music library. CATraxx will let you create two types of playlists: "Manual" and "Dynamic".
A manual playlist is a playlist where you manually add tracks to the playlist. You add the tracks from either the Album View or the Track View.
A dynamic playlist is a playlist based on a filter. For example, this can be "5 star" tracks, live recordings, tracks produced by a specific producer, tracks where a specific musician appears, or tracks you have not played the last 3 months. The playlist can also be randomized. The contents of a dynamic playlist is automatically updated as you add, edit and delete information in the database.