What is the difference between composition and design?

In context|obsolete|lang=en terms the difference between composition and design is that composition is (obsolete) an agreement to pay money in order to clear a liability or obligation; a settling while design is (obsolete)  to assign, appoint (something (to) someone); to designate. As nouns the difference between composition and design is that composition is the proportion of different parts to make a whole while design is a plan (with more or less detail) for the structure and functions of an artifact, building or system. As a verb design is (obsolete)  to assign, appoint (something (to) someone); to designate.