Your...life may be of no consequence to anyone else but is invaluable to you because it's the only one you've got. Exactly the same is true of each individual deer, hare, rabbit, fox, fish, pheasant and butterfly.
—Brigid Brophy
foot
Two or more syllables that together make up the smallest unit of rhythm in a poem. For example, an iamb is a foot that has two syllables, one unstressed followed by one stressed. An anapest has three syllables, two unstressed followed by one stressed.