I’ve almost forgotten about getContent(): 
Processing.org/reference/XML_getContent_.html
It is needed when a value is between 2 tags <>content</> instead of being a tag attribute: 
If it’s a number, we can be even more specific w/ getIntContent(), getFloatContent(), etc.: 
- Processing.GitHub.io/processing-javadocs/core/processing/data/XML.html#getIntContent--
- Processing.GitHub.io/processing-javadocs/core/processing/data/XML.html#getLongContent--
- Processing.GitHub.io/processing-javadocs/core/processing/data/XML.html#getFloatContent--
- Processing.GitHub.io/processing-javadocs/core/processing/data/XML.html#getDoubleContent--