2. The answer is D. WYSIWYG stands for "what you see is what you get". It is a software that allows the user to see what the end-product would look like during the editing process.
3. The answer is C. Selectivity is defined as the ability to choose something that is more appropriate. It is also the ability to ignore unnecessary information.
4. The answer is both A and D. Chairs from the emergence of the Doo-wop movement were designed to have identical structures in order for them to be stackable. And also, they can be easily mass produced.