Answer:
d.visual
Explanation:
Visual encoding -
The memory of the human and living organisms have the ability to remember , recall , store and encode the information better , when it is given in the form of visuals , is known as the process of visual encoding .
Hence , from the question ,
Felipe look at the presentation and can very well notice the words written in italics or bold , and , as these words are different from the normal words , So, Felipe better remember those words .
Therefore , the example shown in the question is of Visual encoding .