The world is a never ending supply of problems. Solve one problem and more problems appear. It is the way of the world.
When we perform work in the factory and a machine produces a defective part, the defective item may be referred to as a "REDBEAD". The same may apply to an office situation where the clerk writes down an incorrect telephone number on a message slip for the boss.
There is a management learning tool called the REDBEAD Experiment where a worker attempts to draw out of a box filled with white and red beads only white beads. It is not possible to pull out only white colored beads.
The red colored beads themselves represent defects inherent in an organization's business processes. They represent a faulty machine or tool, a bad engineering design, a defective part, a procedural flaw, an unreasonable change request, ... all the things that can and do go wrong with a process.
Supervisors and management control the number of REDBEADs in the processes that are given to the workers.