Answer:
Option d: All of the above
Explanation:
Visual aids are simply devices or tools used to make difficult things to be simple and for ease of understanding of message being passed.
The main Purpose of visual aids is to speed comprehension and listener's interest, improve audience memory recall of content, decrease presentation time and others. It help keep everyone on the same page of understanding concepts with lots of working parts. The types of visual aids includes objects, models, and handouts, Flip charts & posters, marker boards & chalkboards e.t.c
Answer:
a mark or character used as a conventional representation of an object, function, or process, e.g. the letter or letters standing for a chemical element or a character in musical notation.
or...
a thing that represents or stands for something else, especially a material object representing something abstract.
hope it helps;)
Answer:
the last one so l, ll, lll