Is there a proper way to order a field column for lat and long ?

[PROBERT68]

Is there a proper way to order column for latitude and longitude ? I have seen some people put their columns vice versa So, I am wondering if there is a proper way for this. So, would add for new column for latitude first and then longitude second ..but I am not sure...

Here is the example :

Another example here:

[BrentCain]

Yes, it is an excellent book.  

My mental association : Latitude = Ladder

[AdrianWelsh]

Thanks Ian! "Longitude" is now on my "to read" list!