विराम चिह्न, प्रश्न चिन्ह, मुसीबत, पहेलि, टास्क, समस्या समाधान, प्रतिक्रिया, जानकारी, विषय, सूचित करना, सीखना
Public Domain
प्रासंगिक तस्वीरें
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