Select all items that are elements of a design pattern:

Question $5$Select one or more:

a$.$

a solution described in terms of code design and architecture

b$.$

a name

c$.$

a solution not described in terms of code design and architecture

d$.$

a set of consequences of having applied the pattern

e$.$

solves a well$-$defined and understood class of problems

f$.$

solves not well$-$defined and understood classes of problems