Pin tumbler lock. A common type of pin tumbler lock, of the euro cylinder type. The pin tumbler lock (or Yale lock, after lock manufacturers Yale) is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key.
noun. A person creating a diagram. A person creating a diagram. The definition of a diagram is a graph, chart, drawing or plan that explains something by showing how the parts relate to each other. An example of diagram is a chart showing how all the departments within an organization are related.
A network diagram is used in computer telecommunication to draw a graphical chart of a network. This type of diagram is particularly useful for network engineers and designers in compiling detailed network documentation. Generally, a network diagram usually consists of a network that is made up of interconnected groups or systems.