The following are the most popular business diagrams on our site:
CDSTEP Marketing Diagram 
Customer Lifecycle 
Situational Leadership Diagram 
DISC Model Dominance Influence Conscientiousness Steadiness 
GE McKinsey Nine Box Matrix 
Stanford Design Thinking Process 
Motivation in the Workplace - 5S Kaizen Framework
Business Heat Map 
Gap Analysis Current vs Future State 
Buyer Utility Map 
Cognitive Bias Codex 
DMAIC 
Value Stream Map 
Leadership Styles Directing Coaching Supporting Delegating