Screwdrivers are distinguished from each other based on their tip and what type of screw they drive. The two most common screwdriver tips are 1) the slot head screwdriver, and 2) the Phillips-head screwdriver.
Globalization broadly refers to the expansion of global linkages, the organization of social life on a global scale, and the growth of a global consciousness, hence to the consolidation of world society. Such an ecumenical definition captures much of what the term commonly means, but its meaning is disputed.
Small-world network. A small-world network is a type of mathematical graph in which most nodes are not neighbors of one another, but the neighbors of any given node are likely to be neighbors of each other and most nodes can be reached from every other node by a small number of hops or steps.