1º_ Relative to the period . It is said of a fact, a sequence, a pattern repeated with the same frequency, at the same interval. It is taken from the Greek 960; 949; 961; 953; 959; 948; 953; 954; 959; 962; ( periodicals "recurring, periodic") . 2º_ Especially it is called 'newspaper' to a regular publication, which appears every so often already determined, which for example can be monthly, biweekly, weekly, or -and in this case they are practically synonymous- daily.