starting GRAPHICS.

#graphics has several elements:

 1) LINE 
 2) SHAPE 
 3) TEXTURE
 4) SPACE
 5) FORM 
 6) TYPOGRAPHY
 7) COLOR

 #1) LINE :

line is just a segment, here are few uses of line:
---> line can be used to divide 
---> line can be used to connect two things
---> line can be used to make hierarchy. 
----> line eyes ko move krate hai
#hierarchy--> for example tree, or any organization has ceo, managers, employee chart can be depicted using lines (heirarchy). 
a system or organization that has many levels from the lowest to the highest.

#examples of line uses:

1) hierarchy or connect krne m.

#2) decoration:

#yaha jo side m lines h pointing towards centre vo hmari eyes ko direction deke centre ke jaa rahi hai, which is another use of line