Each of the features is of relatively equal value. How relevant is this ad to you? Either way, the numbering coheres them into a unified structure. Find the main themes in your presentation (max at six, or it gets too complex), put them in a common envelope, assign a number, and then count down during the presentation. In choosing Seven (widely considered a symbolic or lucky number) in his title, author Stephen Covey also reduced complexity by simplifying and codifying his content.
Author Stephen Covey is a legend.
( z0 legend :domain ( z1 person :name ( z2 name :op "Stephen" :op "Covey" ) :ARG0-of ( z3 author ) ) )
(z0 / legend
    :domain (z1 / person
                :name (z2 / name
                          :op1 "Stephen"
                          :op2 "Covey")
                :ARG0-of (z3 / author-01)))
Author Stephen Covey is a legend .
z2 :op1 1
z1 :name z2
z1 :ARG0-of z3
z2 :op2 0
z0 :domain z1