Using abstract nouns, adjectives, adverbs, et al.

[rayheinrich]

i don't actually know what either of them are, i'm guessing neither do many others

You know what they are, you just didn't know you knew:
Abstract nouns denote ideas qualities, states; not concrete objects.

They're the ones milo complains about when he critiques your poem.

A few common abstract nouns:
Love, Hate, Anger, Peace, Pride, Sympathy, Bravery, Loyalty, Honesty, Integrity,
Compassion, Charity, Success, Courage, Deceit, Skill, Beauty, Brilliance, Pain,
Misery, Beliefs, Dreams, Justice, Truth, Faith, Liberty, Knowledge, Thought...