Factual texts report facts. Narrative texts relate the feelings of the writer or the figures a with. In narrative texts you will also find short half sets, direct speech, proverbs and idioms, rhetorical moments, etc. In factual texts you find only statement records in grammatically correct form (if it is not a Google translation of a user manual, then forget the grammatical correctness ).
Factually speaking, without their own opinion or closer descriptive adjectives, telling with
Factually speaking, for example, I had 90 cm from the door. Telling is, I had the door wide distance from the door. (Which can be 80, 90 or 100 cm)