//Practice 
color RED=color(255,0,0), GREEN=color(0,255,0), BLUE=color(0,0,255);
color CYAN=color(0,255,255),YELLOW=color(255,255,0),PURPLE=color(255,0,255);
color BROWN=color(127,0,0), WHITE=color(255);
//SETUP:size & Modes
void setup()
{
size(1000,750);
smooth();
}

//DRAW:
void draw()   {
 background(BLUE);   

 //ELLIPSES
 noStroke();
 fill(YELLOW);
 ellipse(40,50,200,200);
 fill(255);
 ellipse(200,100,90,90);

 //RECTANGLES
 fill(GREEN);
 rect(0,650,1000,100);
 
 //LINES