Help with what indicator is reporting?

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I'm trying to learn about indicators. The code for this one is below, but here is what I'm trying to figure out. I understand where the first part of the text the indicator is reporting is...it is this code:

<IndicatorShortName("sMACD(" + FastEMA + "," + SlowEMA + "," + SignalSMA + ")");>

I have two yellow arrows below pointing to two figures where I can figure out the variable or command in the code that tells the indicator to post these numbers. I know they are the value of the macd and signal line, but can't figure out the variable or code that tells them to post on this indicator. Any help is appreciated and the original code is below the image. Thanks a million!

//+------------------------------------------------------------------+
//| sMACD.mq4 |
//| Copyright © 2004, MetaQuotes Software Corp. |
//| https://www.metaquotes.net// |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link "https://www.metaquotes.net//"
//---- indicator settings
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Silver
#property indicator_color2 Red
#property indicator_width1 2
//---- indicator parameters
extern int FastEMA = 12;
extern int SlowEMA = 26;
extern int SignalSMA = 9;
//---- indicator buffers
double MacdBuffer[];
double SignalBuffer[];
// Íîìåð áàðà, ïî êîòîðîìó áóäåò èñêàòüñÿ ñèãíàë
#define SIGNAL_BAR 1
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- drawing settings
SetIndexStyle(0, DRAW_HISTOGRAM);
SetIndexStyle(1, DRAW_LINE);
SetIndexDrawBegin(1, SignalSMA);
IndicatorDigits(Digits + 1);
//---- indicator buffers mapping
SetIndexBuffer(0, MacdBuffer);
SetIndexBuffer(1, SignalBuffer);
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("sMACD(" + FastEMA + "," + SlowEMA + "," + SignalSMA + ")");
SetIndexLabel(0, "sMACD");
SetIndexLabel(1, "sSignal");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Moving Averages Convergence/Divergence |
//+------------------------------------------------------------------+
int start()
{
int limit;
int counted_bars = IndicatorCounted();
//---- last counted bar will be recounted
if(counted_bars > 0)
counted_bars--;
limit = Bars - counted_bars;
//---- macd counted in the 1-st buffer
for(int i = 0; i < limit; i++)
MacdBuffer[i] = iMA(NULL, 0, FastEMA, 0, MODE_EMA, PRICE_CLOSE, i) -
iMA(NULL, 0, SlowEMA, 0, MODE_EMA, PRICE_CLOSE, i);
//---- signal line counted in the 2-nd buffer
for(i = 0; i < limit; i++)
SignalBuffer[i] = iMAOnArray(MacdBuffer, Bars, SignalSMA, 0, MODE_SMA, i);
//---- done
//---- Ñòàòè÷åñêèå ïåðåìåííûå, â êîòîðûõ õðàíÿòñÿ
//---- âðåìÿ ïîñëåäíåãî áàðà è íàïðàâëåíèå ïîñëåäíåãî ñèãíàëà
static int PrevSignal = 0, PrevTime = 0;
//---- Åñëè áàðîì äëÿ àíàëèçà âûáðàí íå 0-é, íàì íåò ñìûñëà ïðîâåðÿòü ñèãíàë
//---- íåñêîëüêî ðàç. Åñëè íå íà÷àëñÿ íîâûé áàð, âûõîäèì.
if(SIGNAL_BAR > 0 && Time[0] <= PrevTime)
return(0);
//---- Îòìå÷àåì, ÷òî ýòîò áàð ïðîâåðåí
PrevTime = Time[0];

//---- Åñëè ïðåäûäóùèé ñèãíàë áûë ÑÅËË èëè ýòî ïåðâûé çàïóñê (PrevSignal=0)
if(PrevSignal <= 0)
{
//---- Ïðîâåðÿåì, íå ïåðåñåêëèñü ëè ëèíèè íà ïðîøëîì áàðå:
if(MacdBuffer[SIGNAL_BAR] - SignalBuffer[SIGNAL_BAR] > 0 &&
SignalBuffer[SIGNAL_BAR+1] - MacdBuffer[SIGNAL_BAR+1] >= 0)
{
//---- Åñëè ïåðåñåêëèñü, îòìå÷àåì ÷òî ïîñëåäíèé ñèãíàë - áàé
PrevSignal = 1;
//---- è âûâîäèì èíôîðìàöèþ:
Alert( "sMACD (", Symbol(), ", ", Period(), ") - BUY!!!" );
// Print("sMACD (", Symbol(), ", ", Period(), ") - BUY!!!");
// Comment("sMACD (", Symbol(), ", ", Period(), ") - BUY!!!");
// PlaySound("Alert.wav");
}
}
//---- Ïîëíîñòüþ àíàëîãè÷íî äëÿ ñèãíàëà ÑÅËË
if(PrevSignal >= 0)
{
if(SignalBuffer[SIGNAL_BAR] - MacdBuffer[SIGNAL_BAR] > 0 &&
MacdBuffer[SIGNAL_BAR+1] - SignalBuffer[SIGNAL_BAR+1] >= 0)
{
PrevSignal = -1;
Alert("sMACD (", Symbol(), ", ", Period(), ") - SELL!!!");
// Print("sMACD (", Symbol(), ", ", Period(), ") - SELL!!!");
// Comment("sMACD (", Symbol(), ", ", Period(), ") - SELL!!!");
// PlaySound("Alert.wav");
}
}
//----
return(0);
}
//+------------------------------------------------------------------+

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