It’s the green icon with a white chat bubble and phone receiver inside. You’ll usually find it on the home screen or in the app drawer. This opens the conversation. It will appear at the bottom of the conversation. These icons tell you whether your message has been read.  If you see one gray check mark, this means the message has not yet been delivered to the other person’s WhatsApp. They may not have WhatsApp open. Two gray check marks mean the message has been delivered, but the recipient hasn’t read it yet. When the two check marks turn blue, you’ll know the recipient has read the message.
افتح تطبيق واتساب على جهاز أندرويد. انقر على الشخص الذي ترغب بمراسلته. اكتب الرسالة وأرسلها. اطّلع على الأيقونات الظاهرة أسفل الجهة اليمنى من الرسالة.