Category: clichés and metaphors...

things better left unsaid, hackneyed phrases, idioms battered senseless, and once-familiar quotations
in this day and age, at this point in time, not have a leg to stand on, etc.
how words make friends with one another
metaphor, a fundamental mechanism of mind, that allows us to use what we know about our experience to provide understanding of countless other subjects
how metaphor reveals the limitations of the myth of objectivism, how metaphor is pervasive in everyday life - not just in language but in thought and action
"If we are right in suggesting that our conceptual system is largely metaphorical, then the way we think, what we experience, and what we do every day is very much a matter of metaphor."
metaphor being from Greek meta- "change; substitution" and pherein "to bear, carry"