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Alama mbalimbali za kuchorea. Ishara ni ishara au neno linaloonyesha, kuashiria, au kueleweka kuwakilisha wazo, kitu, au uhusiano. Alama huruhusu watu kwenda zaidi ya kile kinachojulikana au kuonekana kwa kuunda miunganisho kati ya dhana na uzoefu tofauti tofauti. Mawasiliano yote (na usindikaji wa data) hupatikana kwa kutumia alama. Alama huchukua umbo la maneno, sauti, ishara, mawazo au taswira zinazoonekana na hutumiwa kuwasilisha mawazo na imani nyingine. Kwa mfano, octagon nyekundu ni ishara ya kawaida ya STOP, mistari ya bluu mara nyingi inawakilisha mito kwenye ramani, na rose nyekundu mara nyingi inaashiria upendo na huruma. Nambari ni alama za nambari, herufi za alfabeti zinaweza kuwa alama za fonimu fulani, na majina ya kibinafsi ni alama zinazowakilisha watu binafsi. Chapisha alama inayotaka kwa kupaka rangi au kupakua PDF kwa matumizi rahisi zaidi.
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