Argument by analogy may be thought of as argument from the particular to particular. An argument by analogy may use a particular truth in a premise to argue towards a similar particular truth in the conclusion.
A Rhyming Couplet is two line of the same length that rhyme and complete one thought. There is no limit to the length of the lines. Rhyming words are words that sound the same when spoken, they don't necessarily have to be spelt the same.
What is a Conceit in Poetry A conceit in poetry is an extended metaphor that makes a comparison between two dissimilar things. The term conceit is used in two concepts in poetry; conceit can either refer to the conceits in metaphysical poetry or conceits used in Petrarchan sonnets.