ill give you 1 k for all you halloween stuff . there not worth 1 k each . everybody has them <| sep |> These aren ' t mixing terms . These are terms that describes what the texture of the sound in general Boxy means you have cut highlow frequencies too narrow on the spectrum and as a result the sound sounds as if it is muffle in a box . Muddy often refers to bass and sub bass tones That make everything sound cluttered and slow . Often times this is a result of too many low or sub bass frequencies trying to play at once . It can also create mud in high frequencies . Presence is just as it sounds . It ' s how much more to the front of a mix is that sound . Basically loudness . The only time I have heard chest is dealing with kicks in which you add a compressor or compression to get more of chest pumping kick or bass typically .