Weather front areas of precipitation help determine the frontal type and location. There are two different meanings used within meteorology to describe weather around a frontal zone. The term "anafront" describes boundaries which show instability, meaning air rises rapidly along and over the boundary to cause significant weather changes. A "katafront" is weaker, bringing smaller changes in temperature and moisture, as well as limited rainfall. A cold front is located at the leading edge of the temperature drop off, which in an isotherm analysis shows up as the leading edge of the isotherm gradient, and it normally lies within a sharp surface
Ignatius of Antioch to describe the church, writing: It is from the word "katholikos" ("according to the whole") that the word "catholic" comes. When Ignatius wrote the Letter to the Smyrnaeans in about the year 107 and used the word "catholic", he used it as if it were a word already in use to describe the Church. This has led many scholars to conclude that the appellation "Catholic Church" with its ecclesial connotation may have been in use as early as the last quarter of the First century. On the Eucharist, he wrote in his letter to the Smyrnaeans: In his letter addressed