ABA Number -- Originated by the American Bankers Association, it is the number (usually in the upper right-hand portion of the check) which identifies the bank upon which the check is drawn.
This is not the same as using the concept as a tool to define a particular social formation. That is the next step. * * *. To define a social formation is, in fact, to define a theory and political line of the working class.It is for the objective of developing a strategic political line and a tactical political line (which will be constantly rectified) of the working class, for the sole purpose of winning political power.ocial Formation (Definition of Concept). This entry was posted in Social Formations & Conjuncture on April 16, 2013. A social formation refers to a society (a social structure at any level such as a nation, city, business, university, or even a family) with all its complexities, as it is historically constituted.
In communication networks, a topology is a usually schematic description of the arrangement of a network, including its nodes and connecting lines. There are two ways of defining network geometry: the physical topology and the logical (or signal) topology. The physical topology of a network is the actual geometric layout of workstations. There are several common physical topologies, as described below and as shown in the illustration.