what was the founders intent with the electoral college?

1.) What was the founders intent with the Electoral College?

How does it actually work?

3.) In 2018, is this system still the best one for us or should popular vote determine our president?

4.) Are voters informed enough and participate at a high enough level for elections to just be based on popular vote?

5.) In your opinion, does the electoral college preventing democracy or tyranny? Why or why not?