A : an act, celebration, or watchword that has been agreed on as being the celebration of concerted motion b : something which incites to action Signal is meant to by no means acquire or keep any delicate facts. Signal messages and phone calls can't be accessed by us or https://medium.com/@ksa514059/%E9%9A%90%E7%A7%81%E4%B8%8E%E6%95%88%E7%8E%87%E7%9A%84%E5%B9%B3%E8%A1%A1-%E4%B8%BA%E4%BB%80%E4%B9%88-signal-%E4%B8%8B%E8%BD%BD%E6%88%90%E4%B8%BA%E4%BA%86%E5%85%A8%E7%90%83%E7%94%A8%E6%88%B7%E7%9A%84%E9%A6%96%E9%80%89-47164a3f0913?postPublishedType=initial