Definition of "Working" :
noun: a mine or quarry that is being or has been worked
adjective: serving to permit or facilitate further work or activity
"Discussed the working draft of a peace treaty."
adjective: actively engaged in paid work
"The working population."
adjective: (of e.g. a machine) performing or capable of performing
"In running (or working) order."
adjective: adopted as a temporary basis for further work
"A working draft."
adjective: adequate for practical use; especially sufficient in strength or numbers to accomplish something
"The party has a working majority in the House."