Whisper into someone’s perfumed ear with heaving chest tomorrow’s weather report and find quickly the difference of classes of communication. What you say and its context matters. We affirm this by thoroughly despising the dinner party’s bore, the know-it-all, the gossip, the ‘did you see that squirrel?’ diarrhea mouth.
h0m-R’s choices of what type of story he should tell the gods fell broadly into the various genres of communication:

Fact: These are usually small units of information that are indisputable by the sensible and hard won by experiment. They are the favorite target of the insane, or the religious fanatic who will, by their very dispute call them ‘disputable’. (example: “The world is round.” “Well that’s debatable.” “No its not.” “Well I’m debating it right now, aren’t I?”) Facts are often mistaken for Truth or falsely believed to be like grains of sand comprising a sand castle called Reality. 
History: Is a narrative created from report, collective memory, evidences, and physical sciences. It is mostly wrong and closely associated with lies, myth, and marketing. From the mouths of the powerful it explains why they should be powerful and why they should be standing on your neck. In the hands of the weak it usually makes company with AK-47s. As the saying goes: Those who forget seventh grade history will be doomed to being passed along to be the 8th grade teacher’s problem.
Fiction: Real stuff that’s weird is said by some to be ‘stranger than fiction’. People who say this haven’t read much more than Marmaduke. Fiction is a broad category that involves most everything born of the fantasies of inadequate and chubby teens. Any piece of fiction can get passed as being “based on a true story” so long as that true story involves Kevin Bacon.
Report: This is what someone says about what they experienced or believe. A ‘report’ is commonly assumed to be ‘fact’ when being told by a cult leader (“God told me to sleep with you…and your daughters.” “Help me out of this robe!”) But is assumed to be questionable rantings when told by a doctor (“You have your hands and feet stuck in a blender.” “I want a second opinion”). 
Autobiography: A blend of report and lies, autobiography falls into only a few types: 1) “I triumphed over hardship.” 2) “I triumphed over hardship to achieve greatness and you should buy my self-help tapes.” 3) “I am currently in rehab and will triumph soon but in the meantime please see my current movie playing in theatres where I play a frazzled mom who meets Hugh Grant.”
Lies: These are fun to tell, but even more fun to hear because they are exactly what we want to hear. No one has ever lied to displease others. (“Why did you tell me you slept with my sister?” “I thought I’d make your birthday memorable!”) Lies make up 95% of our day to day communication and we like it that way and it is usually ‘facts’ that cause us the most dread–like death, taxes, or our slow metabolism. 
Marketing: This is lies taken to a professional level. Corporations, politicians, and lovers specialize in marketing. They know exactly the lies you want to hear and you love them even though you know they are defrauding you of something.
Myth: This is a history in maturity. It is a fiction whose characters reach an almost divine status. There are many myths: Capitalism, democracy, altruism, tasteful uses for velvet, and the female orgasm.
Theology: Like the rule book for Scrabble. Unreadable, unfun, and only appealed to when some asshole wants to use acronyms or worship God through loving and tender intercourse.
Collective Memory: Will become myth in time, collective memory is a smattering of ‘report’ and ‘history’ and is taken as taken for granted. Includes: a) “Things used to be so bad–you ought to be more grateful”, and b) “Things used to be so good–you ought to be more ashamed” More important than collective memory is collective forgetfulness, which is an area the United States has bragging rights in.
Ritual: Accompanying the language of ritual is liturgy, chant, song, jargon, and magic. Of course, ritual is enacted story and most stories here involve a conclusion of bad coffee and smooshed donuts in the Congregational Hall.
Magic: This is a lie that is understood to be a lie by all involved parties and expressly undertaken as such. We enjoy magic because it successfully enables us to believe the unbelieveable–which religion so far has failed to do.
News: This is the industry of gossip. Lies and marketing converge with report. It is the idle talk of subway cars posing as knowledge of the world. If people were to for one day listen to the hopes and pains of others in their lives rather than read ‘the news’, the world would be transformed for the better.
Journalism: Is what news is often mistaken to be, but actually takes too much research, investigation, and thought to be profitable to Corporations or trusted by politicians. It is fearful to ingest as it often calls for accountability and responsibility. Its most common use is to be played on cabin AM radios as background noise while jarring pickles.
Secrets: Everyone loves secrets which are lies with the implication of trust. They abound in sects and secret societies. Even those uninterested in robes and infant sacrifice can be drawn into the fold with the hopes of learning the secrets of inner circle. Telling a person a secret is an intimate way to corrupt them–like kissing someone when your cold sores are active.
Madness: Messages that the powerful can’t deal with. This is the category of true prophets, insurrectionists, radicals, and aunts with cats.
Poetry: This is the most ‘true’ type of human communication. It is indefinable but there is no ‘bad’ poetry. There is only regretted poetry. Poetry is not what its creator calls it. It is outside the creator’s control and pours from some infinite and uncorrupted space between heartbeats. Seeing as humans are finite and corrupted, its origin and process are still indecipherable.

These options were discarded by h0m-R in favor for one last type of ‘story’: Improvisational. This he chose as it was the easy way out for scoundrels and no-talent hacks as failure in the realm of improvisation is not only expected, it is inevitable.