what is the difference between dg painting and matte painting?

Hi, Both Matte and Digital (Dg as mentioned by you) are completely different in there implementations. Matte paintings are a representation of still pictorial description like that of a scenery, landscape etc. Matte paintings are highly involved in Film making and Entertainment industry where these

A matte painting is a painted representation of a landscape, set, or distant location that allows filmmakers to create the illusion of an environment that would otherwise be too expensive or impossible to build or visit.

Matte Painting is typically used to create painted layer where you can use live motion in between. For e.g. a painted environment in front followed by live action behind it and then another painted environment in the background. Go it? It can be done digitally too i.e. in Die Hard 2 or in Young Sher