I would recommend installing the Advanced Custom Fields plugin 

in order to achieve the desired functionality. Once you download it, create a few fields. For example, create a field called "footer_text" and print it like this:

&lt;?php the_field('footer_text'); ?&gt;


and so on with the rest of the fields.

How do I make certain areas editable?
Noether's theorem is one of those surprisingly clear results of mathematical calculations, for which I am inclined to think that some kind of intuitive understanding should or must be possible. However I don't know of any, do you?

Independence of time &lt;=> energy conservation.
Independence of position &lt;=> momentum conservation.
Independence of direction &lt;=> angular momentum conservation.  

I know that the mathematics leads in the direction of Lie-algebra and such but I would like to discuss whether this theorem can be understood from a non-mathematical point of view also.
