What is the difference between Import Mode, DirectQuery, and Live Connection?

Question

Accepted Answer

Mode
            Description
        
        
            Import
            Data is loaded into Power BI memory.
        
        
            DirectQuery
            Queries are sent directly to the source system.
        
        
            Live Connection
            Connects directly to Analysis Services or Power BI datasets.
        
    

    Import Mode generally provides the best performance.

Mode	Description
Import	Data is loaded into Power BI memory.
DirectQuery	Queries are sent directly to the source system.
Live Connection	Connects directly to Analysis Services or Power BI datasets.

What is the difference between Import Mode, DirectQuery, and Live Connection?

Answer with Explanation