The “Fi” on this context could possibly be an abbreviation for one thing like “file,” whereas “rr” would possibly characterize “return.” As such, we will interpret the headline as instructing to make a file return or refer again to it. In the meantime, “name icon” suggests that there is a component associated to calling icons throughout the content material being mentioned. In abstract, the headline appears to information readers in direction of understanding how they need to work together with information involving call-related icons, presumably by means of returning to them or accessing their features.