1. Representations
1.1. Video and audio recordings
1.1.1. How Does Heart Bypass Surgery Work? Coronary Artery Bypass Graft Procedure Animation - CABG Video
1.1.1.1. Diagram
1.2. Images and photographs
1.2.1. https://open.lib.umn.edu/app/uploads/sites/189/2016/10/15.2.13.jpg
1.3. Diagrams
1.3.1. https://open.lib.umn.edu/app/uploads/sites/189/2016/10/0bb136bbb5dbc05c45897e926221cfe5.jpg
1.4. Maps
1.4.1. https://open.lib.umn.edu/app/uploads/sites/189/2016/10/35e8bd11efe30d8b6b38b8a576175401.jpg
2. Objects or models
2.1. https://store.schoolspecialty.com/OA_HTML/xxssi_ibeGetWCCImage.jsp?docName=E1553668&Rendition=Large
3. Resources
3.1. Templates
3.1.1. https://slidesgo.com/
3.2. Design
3.2.1. https://uploads.toptal.io/blog/image/129553/toptal-blog-image-1554902362113-a8f5135a51fecb92cb95495b8c2b9ce8.png
3.2.2. https://visage.co/11-design-tips-beautiful-presentations/
4. Charts
4.1. Sequence-Of-Steps charts
4.1.1. https://www.slideteam.net/media/catalog/product/cache/960x720/f/i/five_steps_chart_showing_sequence_of_step_moving_upward_Slide01.jpg
4.2. Statistical charts (Graphs)
4.2.1. Line graph
4.2.1.1. https://open.lib.umn.edu/app/uploads/sites/189/2016/10/a95c0ddca863c44fdab86c8e604571a6.jpg
4.2.2. Bar graph
4.2.2.1. https://open.lib.umn.edu/app/uploads/sites/189/2016/10/f8b9cedff6f176519e4583ba0c1ace36.jpg
4.2.3. Pie graph
4.2.3.1. https://open.lib.umn.edu/app/uploads/sites/189/2016/10/64b536c3ee445b48ada8eb3511ebdc9f.jpg