First, you can look at the context in which those three words are used. Are they at the beginning to set the tone? Or are they in the middle as a turning point? Second, consider the possible connotations of the words. If they are simple words like 'yes', 'no' or 'I am', their significance might be in how they are used in relation to the characters and events. Third, think about the impact those three words have on the overall narrative.
To analyze 'those three words novel', you need to study the characters' reactions to those three words. Do they cause confusion, excitement or fear? Also, examine how the author has built up to the revelation of those three words. Is there a lot of foreshadowing? And finally, consider the cultural or historical background that might give those three words extra meaning. For example, if the novel is set in a certain time period, those three words might have a different meaning than they do in modern times.
One way to analyze 'those three words novel' is to break it down into different components. Look at the individual words first and their basic meanings. Then, see how they interact with each other. Are they a complete sentence? A phrase? After that, analyze how they fit into the larger plot of the novel. Are they the solution to a problem? The cause of a conflict? You also need to consider the stylistic choices the author made when using those three words. Were they italicized for emphasis? Spoken in a whisper? All these aspects can help in understanding the significance of those three words in the novel.