1) The concept of proportional representation, used in some electoral systems, aims to ensure that political parties' representation in government aligns more closely with the proportion of votes they receive from the electorate.

2) The Taj Mahal, located in Agra, India, is an iconic mausoleum recognized as a UNESCO World Heritage site. It was built in the 17th century by Emperor Shah Jahan as a testament to his love for his wife and stands as a masterpiece of Mughal architecture and a symbol of India's cultural heritage.

3) The sport of golf originated in Scotland and is played on courses with 18 holes, each with a designated par score.

4) Online banking and mobile banking have become increasingly popular, providing convenient access to banking services through digital platforms.