Answer:However, chores are building blocks for a firm foundation.
Explanation:Metaphors is a figure of speech which provides a non literal meaning of something , with a purpose of making a comparison or explain an idea .
Here are the basics:
A metaphor suggest that one thing is another thing i.e chores are building blocks.
It equate two things which are not really the same but just uses them to make a comparison.
It doesn't indicate literally that chores are a building block but if implies the explicit meaning of what chores can do to someone.
Metaphors are used in literature and poetry in order to make it more interesting and add color to it.