Rubuta ci gaba don wannan sakin layi - Ana iya kiran siginar haɗari ko matsala a matsayin jan tuta, wani amfani wanda ya samo asali a karni na 18. Misali mara kyau na amfani da tutar ja a yaƙi shi ne janar na Mexico Santa Anna ta amfani da alamar don barin 'yan adawar Texian a cikin Alamo
Lalle ne, ya yi niyyar kada ya bar wani mai tsaro. An yi amfani da kalmar "ja" alama, alal misali, yayin binciken sadarwa, kuma yana nufin takamaiman kalmomi ko jimloli da aka ci karo da su wanda zai iya nuna dacewa da shari'ar. Misali, masu tace imel na wasikun banza suna amfani da irin waɗannan "ja-tallan ja".