What is the "blog format" (or what are the alternatives, for a blog? is this a rejection of "I like when the publication date is easy to find"?) What is "paras

What is the "blog format" (or what are the alternatives, for a blog? is this a rejection of "I like when the publication date is easy to find"?) What is "parasitism"? What is "reflow"? (text-reflow artifacts of some kind?) Would "wise main content" be ok if properly tagged? Would you prefer the author had multiple themed blogs instead?