Using polite language
Writing in ALL CAPS unnecessarily
Respecting privacy
Citing sources
SMTP
POP3
FTP
HTTP
B2B
B2C
C2C
G2G
Cash Register
Digital Payment Gateway
Postal Order
Cheque Book Only
Internet hardware
Rules of polite online behavior
Network topology
Web hosting
UIDAI
Ministry of Electronics and Information Technology (MeitY)
RBI
SEBI
Sending an email
Buying a product from an online store
Creating a blog
Using a search engine