Offhand, here are some components apart from photographic process that I'd assert can play significant roles in a photograph... in no particular order:
composition;
emotional content;
serendipity;
thought process (as opposed to photographic process);
social relevance;
representation;
expression;
journalistic motive i.e. providing record or supporting narrative;
.
.
.
.
composition;
emotional content;
serendipity;
thought process (as opposed to photographic process);
social relevance;
representation;
expression;
journalistic motive i.e. providing record or supporting narrative;
.
.
.
.


Please note the use of italics.