Question

एक्सप्लेन क्लासिफिकेशन ऑफ स्टैंडर्ड​

Answer 1

Answer:

i hope its hlp uhhhh mark me brainlist

Answer 2

$\rm \red{Classification \: Theory}$

Classification theory, principles governing the organization of objects into groups according to their similarities and differences or their relation to a set of criteria. Classification theory has applications in all branches of knowledge, especially the biological and social sciences. Its application to mathematics is called set theory