Agreement (n.) about what we call red keeps language going; and beneath it lies agreement about what we call agreement.
Agreement (n.) when we calculate is not agreement in opinions or convictions.
Agreement (n.) and rule are cousins; the phenomena of agreeing and of acting by a rule hang together.
Agreement (n.) is learnt by learning to follow a rule, not the other way round.
Agreement (n.) when calculating might feel like a spell, people astonished at agreeing and thanking the deity for it.
Agreement (n.) that is spontaneous, like spontaneous sympathy, is what is essential for us.
Agreement (n.) is what makes colour-words work, yet if it were universal we would not even have the concept of it.