float x = 100;
float y = 50;
float w = 150;
float h = 80;
void setup(){
 size(500,500);
 background(255);
 stroke(0);
 noFill();
}

void draw(){
 background(255);
 rect(x,y,w,h);
 fill(100,0,0);
 textSize(50);
 text("word", x+w/2, y+h/2); 
 textAlign(CENTER, CENTER);
 
 rect(x+200,y,w,h);
 fill(0,100,0);
  
 rect(x+200,y+200,w,h);
 fill(0,0,100);
  
 if(mousePressed){
  if(mouseX>x && mouseX <x+w && mouseY>y && mouseY <y+h){
   println("The mouse is pressed and over the blue button");
   fill(255);}
  else if(mouseX>x && mouseX <x+200+w && mouseY>y && mouseY <y+h){
   println("The mouse is pressed and over the red button");
   fill(255);}
   //do stuff 
  }
 }