Check out a toolset for microcontroller configuration and programming on a personal computer. Check out the options for accessing the CLICK PLC elements and improving certain actions, assigning new ones, viewing and adjusting a sequence of operations, etc.
Programmable logic controller (PLC) or programmable controller is a digital computer used for automation of electromechanical processes. We still use the "ladder logic" which resembles the relay logic of earlier systems.
CLICK Programming Software is used to program the CLICK PLCs. This is a freeware. The company produces many low cost PLCs and are a good way to start learning PLCs.
