The Linear 1-Many-1 diagrams can used to model the data in flow chart that is first diverging and then converging. These diagrams can be used for strategic planning, consulting presentations, flow process diagrams, and sales and marketing plans. These diagrams provide a data focused view of the main data objects or entities within a system. Information to be conveyed to your listeners should be in precise manner in your presentation slides. Inserting these diagrams is a good idea to make your presentation more visually engaging. Use color effectively in your PowerPoint presentation. Choose a theme of colors and be consistent when using them to highlight key points. This makes your presentation look more professional. You should use these linear 1-many-1 diagrams to make your presentation remarkable and convey your message to other in a more professional way.