The words in the brackets are telling the actors what to physically do, meaning it would be a stage direction.
It isn't dialogue because that is a conversation between two people.
It isn't dialect because that is how a person speaks. There is no speaking in the brackets.
It isn't narration because it isn't spoken allowed for the audience.
It isn't a description because that is too broad a term more often used for emotions.
Answer: Discern.
Hope this helps! ^^
The definition that would most clearly fit the word approbation would be best fit
The last sentence is correct: The restoration of his ’67 Mustang convertible was not as difficult as yours
In the first sentence, Mr. Carter’s is right but your’s is wrong
In the second sentence, student’s is wrong but one’s is right