Learner's definition of COHERENT
[more coherent; most coherent]
logical and well-organized
easy to understand
able to talk or express yourself in a clear way that can be easily understood
working closely and well together
His films are confusing and have little coherence.
You make some interesting points, but the essay as a whole lacks coherence. [=it moves in a disorganized or confusing way from one idea to another]
The team lacks coherence.