simple if statement

I am so not getting this  values verses lables thing  ..dont explain  ..you have tried

I need help with a simple if then statement

Application (values): <?php echo join(', ', $rentalsRecord['application:values']); ?><br/>
Application (labels): <?php echo join(', ', $rentalsRecord['application:labels']); ?><br/>

Yes or 1 values or lables I have tried them all

Basically  I need it to display an application if the box checked says Yes and it will be 99% of the time

<?php if ($rentalsRecord['application:values'] == 'Yes'): ?>

        DOWNLOAD APPLICATION
    
    <?php endif; ?>

This is so simple what am I missing???