The topic sentence is the starting sentence and what you’re talking about
I’m pretty sure it would be C
The definition to plot would be D established the order of events
The strategy that will help you revise your choice of words to achieve your purpose is to think of what message you want to give such as in an introduction to a topic whereby you want to cover the main points to be expounded on in the main paper or essay or chapter of a book you may be writing to set the stage for their full explanation.