After thorough researching, the words around the one you don't understand provide context clues. The correct answer to the following given statement above is context clues. In addition, context clues are is a kind of information you can get from the word.
One way to develop a main idea
for your advertisement is to conduct product research. This way, you can learn
more about the product and advertise it the way you want it to be with rich
explanantion.
What type of people do you communicate with at your job?
What do you like about communicating with people?
In what ways do you feel accomplished with your job?
Which do you feel is more of a personal way of communication, and why?
There are some, but you have to come up with some on your own.