There is a large period of time in which the French and Portuguese colonized Africa. The natives took on those languages, which influenced the culture.
After looking at the graph and doing some research, the compass direction in which the Pacific Plate has moved during the last 4.6 million years is from the SE towards the NW. You can also write it other ways such as, NNW, to the northwest, or west northwest.
I would say that herding and livestock would not be a major economic activity in SE Asia and that logging, farming and manufacturing are important economic activities. For example, farming produces rice and also tea in this part of the world.