| A | B |
| Design Brief | A list of specifications for a design. |
| Variable | Different factors that affect the performance of a design. |
| Constraint | Limits imposed on a design solution. |
| Brainstorm | A method of coming up with alternative designs. |
| Trade-Off | An exchange of the benefits and disadvantages of one solution for those of antoher solution. |
| Informed Design | A process providing a way to make decisiions without complete knowledge and then reassess those decisions later on. |
| Specification | The performance requirements that a solution must fulfill |
| Prototype | A full-scale, fully operational version of a solution. |
| Scale Model | A model that is either larger or smaller than the final product |