"Working knowledge" refers to having practical or sufficient knowledge and understanding about a particular subject or skill to effectively perform tasks and accomplish goals related to it. Full definition
Dynamic and goal - oriented professional with strong working knowledge of dietary health industry and medical facilities that use preventative care and encourages behavioral change to promote a healthier lifestyle. (resumemycareer.com)
Well equipped with working knowledge of financial statements and resulting cost implications. (resumemycareer.com)
Proven computer skills with good working knowledge of different computer applications. (thejobnetwork.com)