1.Strategies to orientate the audience
1'A surprising statement
It could be a fact, opinion, a reality or a projection.
2'Hypothetical illustration
projection to future or how past might be
3'Reference to a historical event
4'Question or series of questions
5'Reference to some current event
news and so on.
6'Quotation
'Regardless of whether it's a white cat or a black one, it's a good cat if it can catch the rats'--- Deng Xiaopin
7'An image
visual assistant or visual effect
8'A personal anecdote, story or joke
9'A brief survey to engage with the aud