The dictionary explains the exact meaning of the word and its different interpretations. The thesaurus gives you different words with the same or similar meaning.
During a speech, especially to a large group or crowd, it is essential that the visual aid not only convey the message to the listener but should first catch the attention of the audience. Among the given choices, the best illustration that would fit with the presentation of the artistic style of Diego Rivera is the "slideshow of his most famous work".
a. cyclical . if you look at the others its contributing to some sort of essay
