This document provides an overview of concepts related to the contemporary world and globalization. It begins by discussing relevant topics like the global economy, market integration, and international organizations from 1945 to the present. Key concepts introduced include the modern world period from 1501 to 1945 and the present world, addressing current economic, social, political, and language issues globally. The document then examines theories and metaphors of globalization, looking at how increased connectivity and interdependence has created both increased sameness and new heterogeneity around the world. It also outlines some pros and cons of economic, cultural, and political globalization.