The purpose of a report is to describe and classify information
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Report text tujuannya untuk mendeskirpsikan hal yang umum ( Describe something in general ), contoh: Birds (class Aves or clade Avialae) are feathered, winged, two-legged, warm-blooded, egg-laying vertebrates. Aves ranks as the tetrapod class with the most living species, approximately ten thousand. Extant birds belong to the subclass Neornithes, living worldwide and ranging in size from the 5 cm (2 in) Bee Hummingbird to the 2.75 m (9 ft) Ostrich. 

Bedakan dengan Descriptive textkalau descrpitive text itu biasanya hal - hal yang ber kelompok, contoh: The Common Raven is a large, all-black passerine bird. Found across the northern hemisphere, it is the most widely distributed of all corvids. There are at least eightsubspecies with little variation in appearance, although there are significant genetic differences among populations from various regions.

yang Report text itu hanya membahas Birds , sedangkan yang Descriptive text  itu menjelaskan jenis burung Common Raven ,  itu yang membedakan descriptive sama report text.