| An arc is a piece or portion of a circle between two points. (as shown below): 
 
   
 Some more diagrams of arcs are as follows:
 
 
   
 In a circle, an arc can be of following two types:
 Major Arc
 Minor Arc
 
 As you can understand from their names that, Major Arc is a longer arc and Minor Arc is a shorter one
 
 Observe the following figure:
 
 
   
 For better understanding you can split the arcs and you could understand Why one is called Major Arc and another one as Minor Arc (as shown below):
 
 
   
 
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