For me, object-orientated programming creates structure and enforces restraint. Encapsulation helps to define domains.
I like to write comments for classes in a first-person perspective. I believe I picked on this from Smalltalk.
/** I'm a dummy change record for a BaseLevel. Unlike ChangeRecord, I do not keep track of changes. Instead, my methods are very minimal and don't do much in terms of operation. */
class NullChangeRecord