One of the best ways to deal with abstract topics in a confident manner is by adopting a technique, “POPBEANS”. Each of these letters gives you a different field to pursue your discussion on. POPBEANS stands for −
P: Person
O: Objects
P: Places
B: Beliefs
E: Events
A: Actions
N: Nature
S: Scientific
Each letter will help you form a section of your speech, which will help you build content for around 5 minutes and also will help you expand the horizons of your thoughts with regard to the topic.