alarm bell

alarm alarming alert alerter alerts anchorhold article audio backdrop background bel bell bellstring boom brief briefness caution chaste chime chiming clean clear color concise concision context danger detector electric fire gong goods gray grayness grey health indoor item materials nobody noise notcomplicated objects pithy pure purecolor purity red redness safety secure security setting signal simple simpleness simplicity sound stainless stilllife succinct sureness system tocsin tool vigilant voice warner warning