are they accurate comments?

    echo '<h2>' . $stuff['heading'] . '</h2>';

//This is what I understand, probably incorrectly...

//this is defining the array name as $stuff
while($stuff = mysql_fetch_array($query)) {

//this tells the system to display on screen
      echo 

//this opens the header-2 css tag
'<h2>'

//this combines more than 1 thing's, as 1 group-thing
 . 

//this is the array name
$stuff

//this USES the data from the database already defined as heading (wherever that needs to be & whatever that is and can change via phpmyadin... 
//this is a question on hold for later)
['heading']

//this combines more than 1 things, as 1 group-thing
 . 

//this closes the open header-2 css tag
'</h2>'

//this is the end
;

    //This is what I understand, probably incorrectly...    //this is defining the array name as $stuff
    while($stuff = mysql_fetch_array($query))
    //this is the beggining of the array    {
    //this tells the system to display on screen    echo
    //this opens the header-2 html/css tag    '<h2>'
    //this is concatenating two or more strings    .
    //this is the array of the result set from the Database    $stuff
    //this is the value from the database of the heading column, based on you selection.    ['heading']
    //this is concatenating two or more strings    .
    //this closes the open header-2 /htmlcss tag    '</h2>'
    //this is the end of the array    ;
    **Thanks in Advance ;)**

while (...) { }

$stuff

mysql_fetch_array()

$stuff["heading"]