Led ring code for cannon and strips for backpack louvers Arduino Uno

[Thea Bug]

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
 #include <avr/power.h> 
#endif

Adafruit_NeoPixel strip(12, 6, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip1(12, 5, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip2(8, 7, NEO_GRB + NEO_KHZ800);
void setup() {

#if defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
  clock_prescale_set(clock_div_1);
#endif
  
  strip.begin();          
  strip.show(); 
  strip1.begin(); 
  strip1.show(); 
  strip2.begin();  
  strip2.show(); 
  strip.setBrightness(255); 
  strip1.setBrightness(255);
  strip2.setBrightness(255);
}
void loop() {
  
  for(int i=0; i<=12; i++) { 
    strip.setPixelColor(i, 0,0,255);
    strip1.setPixelColor(12-i, 0,0,255);
    strip.show();
    strip1.show();
    strip2.setPixelColor(i, 0,0,255);         
    strip2.show();               
    delay(200);
  }
 for(int i=12; i>=0; i--) { 
    strip.setPixelColor(i, 0,0,0);
    strip1.setPixelColor(12-i, 0,0,0);
    strip.show();
    strip1.show();
    strip2.setPixelColor(i, 0,0,0);         
    strip2.show();               
    delay(200);                   
 }   
 } 

[MeanGene]

So wait... What the heck is this stuff? 

And what does it do?

Translate for me. I'm a dinosaur when it comes to this stuff.

[Thea Bug]

7 hours ago, MeanGene said:

So wait... What the heck is this stuff? 

And what does it do?

Translate for me. I'm a dinosaur when it comes to this stuff.