Should we have a right to offend? Sweden and Denmark face a diplomatic headache after sparking anger in the Muslim world by allowing protesters to burn the Quran.
Outrage in Muslim world over Quran burning
Rage and unrest: Protesters in Yemen, Turkey, Iraq and more took to the streets to counter-protest. Glossary
Quran - The holy book of Islam, whose words are believed by Muslims to have been passed directly from God to the Prophet Muhammad in a series of visions spanning 23 years.
Allah - A term used for the only God in Islam.
Desecrations - Damaging or showing a lack of respect to something holy.
Diplomatic - Non-violent peacekeeping. Diplomatic means keeping good relations between the governments of different countries.
Blasphemy - Speaking with contempt or disrespect about a religious deity or sacred person. Blasphemy laws were abolished in the UK in 2008.
Baghdad - A city in Iraq built by the Abbasids. It remains the capital of Iraq today.
Sacred - Connected to God or another religious deity and so deserving of respect.
Critique - A detailed response, especially a critical one, to a person's work or ideas.
Ingrained - Something that has existed for a long time and is very hard to change.