No. It is whether it is bolded, italisized or underlined. Sometimes even highlited. Never have I seen a textbook that enlarges words to show importance.
Yes, that is true. In textbooks, varying the type size can be a way to visually differentiate between main ideas, subheadings, and supporting details. Larger type size can draw attention to important concepts, while smaller type size can indicate less critical information.
true
the frequency of their mention, the depth of explanation given, and their relevance to the overall topic or concept being covered in the textbook.
use your textbook.
The importance of challanging fixed ideas within a team is to allow comparison with potentially useful ideas.
the main ideas
Not a lot
It is relative to each and everyone's own ideas
use the textbook
textbook
The importance of new ideas are to create new jobs and opportunities for those without them. Many people have tried to create new inventions to make the world a better place.
pattern the author uses to present his or her ideas.
S