Step 1: Understanding the Concept:
The question asks to identify the art form to which the concepts of 'Lok Dharmi' and 'Natya Dharmi' belong.
Step 2: Detailed Explanation:
'Lok Dharmi' and 'Natya Dharmi' are two fundamental modes of presentation or 'vritti' in classical Indian Drama (Natya), as codified in the Natyashastra.
- Lok Dharmi: The realistic mode, which imitates the behavior, actions, and objects of the everyday world ('loka'). It is naturalistic.
- Natya Dharmi: The stylized or conventional mode, which uses artistic conventions, gestures, poetic speech, and stylization that are specific to the art of theatre and not found in everyday life.
These concepts apply to acting, movement, and presentation within a dramatic context.
Step 3: Final Answer:
Lok Dharmi and Natya Dharmi are two modes of presentation in Drama.