Greek letters are often used as parts of scientific labels, which adds authority to the idea. While they have their advantages, these scientific names can be difficult to say and recall, and are prone to misreporting, the WHO said in a statement. ALPHA, BETA, gamma, delta. The simplicity is obvious. There are two reasons for this new nomenclature: simplicity and the avoidance of hurt feelings.
The GO makes their authority, mainly through letters.
( z0 authorize :ARG0 ( z1 government-organization :name ( z2 name :op "GO" ) ) :manner ( z3 letter :mod ( z4 main ) ) )
(z0 / authorize-01
    :ARG0 (z1 / government-organization
              :name (z2 / name
                        :op1 "GO"))
    :manner (z3 / letter
                :mod (z4 / main)))
The GO makes their authority , mainly through letters .
z1 :name z2
z2 :op1 0
z0 :ARG0 z1
z3 :mod z4
z0 :manner z3