This is what was in a procedure:
"Standard Measurement Methods (SMM):
Are the metrology capabilities and methods used by Milford Fabricating Company, Inc. to evaluate and control product and process characteristics. These evaluation and control activities are achieved using basic mechanical, monitoring and measuring devices, such as micrometers, calipers, scales, protractors, height stands, indicators, gage blocks, surface plates, templates and thread gages."
I was asked to clarify it and add a defination.