definition, characterstic, purpose of report text please

Definition of Report text
“Report is a text which presents information about something, as it is. It is as a result of systematic observation and analyses.
Purpose of Report text 
Its social purpose is presenting information about something. They generally describe an entire class of things, whether natural or made: mammals, the planets, rocks, plants, countries of region, culture, transportation, and so on.
The Characteristics of Report text:
– Use of general nouns, eg hunting dogs, rather than particular nouns, eg our dog;
– Use of relating verbs to describe features, eg Molecules are tiny particles;
– Some use of action verbs when describing behaviour, eg Emus cannot fly;
– Use of timeless present tense to indicate usualness, eg Tropical cyclones always begin over the sea;
– Use of technical terms, eg Isobars are lines drawn on a weather map;
– Use of paragraphs with topic sentences to organise bundles of information; repeated naming of the topic as the beginning focus of the clause.