| A | B |
| brainstorming | seeking creative solutions to an identified problem |
| classification | the division of a problem into major segments |
| convergent thinking | a type of thinking that seeks to narrow and focus ideas until the most feasible solution is found |
| detailed sketches | sketches that communicate the information needed to build a model of a product or structure |
| divergent thinking | broad thinking that lets the mind soar and seeks to create as many different solutions as possible |
| isometric sketches | sketches in which the angles formed by the lines in the upper-right corner are equal |
| oblique sketches | pictoral sketches that show the front view as if a person were looking directly at it |
| perspective sketches | sketches that show an object as the human eye or a camera would see it |
| refined sketch | a sketch that merges ideas from two or more rough sketches |
| rough sketches | drawings that show only basic ideas of the size, shape, and appearance of a product. they integrate and refine ideas generated in the thumbnails |
| synergism | the concept that solutions proposed by one or more individuals in a group will often cause other members of the group to think of more ideas. the number of ideas generated by the group is more than the number they could develop if everyone worked alone |
| what if scenarios | outrageous proposals that could lead to solutions after their good and bad points have been investigated |