Component Instantiation : Providing instance of lower level module in higher level code
edge triggering : circuit is activated through transition portion of clock
positive edge triggering : activation at rising edge
negative edge triggering : activation at falling edge
level triggering : circuit is activated via voltage level
generate statement : generate replication of hardware, provided in generate statement
declaration of parameters, local parameters,
input, output, inout ports, and specify blocks are prohibitted
begin-end block : sequential execution of statements
fork-join : parallel execution of statements
