the act of being present at a place, especially at a meeting or event

उपस्थिति

English Usage: His attendance at the conference was appreciated by all.

Hindi Usage: उसकी उपस्थिति सम्मेलन में सभी द्वारा सराही गई।

a small disc or knob that is pressed to make a machine operate or to fasten something

बटन

English Usage: Please press the button to start the machine.

Hindi Usage: कृपया मशीन शुरू करने के लिए बटन दबाएं।

to fasten with buttons

बटन लगाना

English Usage: She buttoned her coat before going outside.

Hindi Usage: उसने बाहर जाने से पहले अपना कोट बटन किया।