4. Draw efficientlyThe flow chart

graph TD
Start --> State
Start --> State1  
State --> Stop  
State1--> Stop

5. Draw efficientlyThe sequence diagram

sequenceDiagram
Alice->>Bob: Hello Bob, how are you?
Note right of Bob: Bob thinks
Bob-->>Alice: I am good thanks!

6. Create a chart

project The price The number of
The computer The $1600 5
Mobile phone $12 12
pipeline The $1 234

Reference: blog.csdn.net/cuishizun/a…