Answer: Physical setting for your speech
Explanation: Physical setting is referred as the setting related with the factors like seating arrangement , lighting in room of speech, distance between speaker and the audience , time of speech , room size etc. These factors influence the receptivity of the speech in audience.
So, while giving the speech in local service organization on formal lunch time with the overcrowded and overheated room , physical setting should be taken into account. By sorting the physical setting factors ,audience can be eased and managed so that they can understand the speech clearly.