I want this but no one understands what i have been through

He fields of graphic design and animation changed completely in a very short period of time in the late twentieth century. nearly everything that was once drawn by hand on a drafting table is now done on a computer screen. what are some of the advantages of this transition to digital techniques? are there any disadvantages? what are some of the skills that today’s graphic designers and animation engineers have that earlier ones did not? are there any skills that have been lost in the move to digital techniques?

For the difference command to work, what needs to happen?

Which does the author mean by " nature had to kindle all the fires, for man by his own effort was unable to produce a spark