The use of secret code will keep your students engaged while competing to find the final lock combination. (tes.com)
Her participation in women's gatherings was now seen as an asset, and she stopped using secret codes on her calendar. (aspectventures.com)
If you don't have the right credentials or secret code word, you will not be allowed to enter — i.e. a human being will probably not actually lay eyes on your resume. (careerresumes.com)