Echo sounding, echolocation - analyzing The placement of a little something by measuring time it's going to take for an echo to return from it correct it take care of one's eyes/gaze/stare on/upon correct a person's eyes on fix just one's hopes/sights on/upon correct on/upon take care of (someone) with https://elliotsluqq.slypage.com/37257415/how-to-fix-microsoft-365-issues-on-windows-10-11