Which menu option allows to insert new symbol in MS-Word?

Which of the following refers to the range of graphics available in MS-Word that you can use to create diagrams, such as…

आसियानका महासचिवको पदावधि कति वर्ष रहने व्यवस्था छ?

Which of the following database object hold data? 

नेपालमा रहेको विश्वको तेश्रो उच्च हिमशिखर तलका मध्ये कुन हो ? 

निजामती सेवाको विशिष्ट श्रेणीको पदमा कति वर्ष सेवा गरेपछि अनिवार्य अवकाश पाउने व्यवस्था छ ?

What does the "Ctrl+S" keyboard shortcut do in Microsoft Word? 

What is a foreign key in a database? 

The logical address of the network device is called