Statistical

• Anything that deals with the collection, analysis, interpretation & presentation of numerical data
• Gaining information for making informed decisions

Process

• Combination of machines, tools, methods, materials & people employed to attain process specification
• A similar procedure/event that is happening repetitively

Control

• To keep something within a desired condition
• Make something behave the way we want it to behave

SPC

The use of statistical techniques such as control charts to analyze a process, take appropriate actions to achieve & maintain a stable process, & improve process capability.