Differences between the concepts of "South America" and "Latin America"

References:

Differences Between (n.d) Difference between Latin America and South America. Retrieved from http://www.differencebetween.net/miscellaneous/difference-between-latin-america-and-south-america/ 

Wallenfeldt, J. (n.d.) What Is the Difference Between South America and Latin America?. Britannica. Retrieved from https://www.britannica.com/story/what-is-the-difference-between-south-america-and-latin-america