"what is the difference between Dramatic play and Drama"

"drama... a composition in verse or prose intended to portray life or
character or to tell a story usually involving conflicts and emotions
through action and dialogue and typically designed for theatrical
performance * 2 : dramatic art, literature, or affairs * 3 a : a
state, situation, or series of events involving interesting or intense
conflict of forces

Nowadays it became almost equivalent to PLAY: Middle English, from Old
English plega; akin to Old English plegan to play, Middle Dutch pleyen
* Date: before 12th century

If PLAY is the stage representation of an action or story, then
'dramatic play' is where the ACTION (story) is expressed mainly
through the characters..."

afronord.tripod.com/thr/drama.html

Sorry, the link posted above should read thus:

http://afronord.tripod.com/thr/drama.html