So here is the International Business Times unedited handy guide:
Let's start with Boko Haram - the terrorist group that's been wreaking havoc in Africa's most populous country. The Nigerian militants are responsible for a six-year campaign of targeted bombings, assassinations and abductions, killing 50 Friday alone. The group's name can be translated as "Western Education Is Forbidden," and it's become infamous for kidnapping hundreds of schoolgirls and a vicious insurgency that's claimed the lives of thousands.
More recently, it's rebranded, swearing allegiance to the Islamic State group and renaming itself the Islamic State's West Africa Province. In March, an audio message by an Islamic State group representative announced that Boko Haram's pledge had been accepted by the militant group's leader, Abu Bakr al-Baghdadi, and went on to congratulate "our jihadi brothers" in West Africa.
"It's been a courtship that has been a long time coming," J. Peter Pham, director of the Africa Center of the Atlantic Council, an international-affairs think tank based in Washington, said in an interview with International Business Times. "It's as close to a marriage of equals as we've ever seen."
The alliance grants Boko Haram legitimacy in the world of Islamic extremism - a world where recruiting, funding and marketing are as important as in any corporation.
Possibly the most infamous, and diabolical, of all Islamist groups, the Islamic State group started from humble beginnings as an offshoot of al Qaeda in Iraq more than a decade ago. In 2006, it rebranded as ISIS. Nine years later, the militant group has seized territory stretching from northern Syria to central Iraq and its former allies have disowned it. After months of feuding, al Qaeda formally announced its separation from the group in February 2014.
A statement by al Qaeda general
command declared that the Islamic State group "is not a branch of the
al Qaeda group ... does not have an organizational relationship with it
and [al Qaeda] is not the group responsible for their actions."
Al Qaeda is the granddaddy of the terrorist groups. Founded by Osama bin Laden in the 1980s and responsible for the Sept. 11, 2001, attacks on America, the group's goal has always been to establish an independent Islamic state across the Middle East and reject any political or social activity associated with Western society. Since the Islamic State group has taken center-stage, al Qaeda has concentrated more on its affiliates in the region.
It's difficult to keep tabs on the many acronyms of different militant groups. The groups above [Nusra Front/AQAP/AQIM/Al-Shabab] are listed together because they've all sworn allegiance to al Qaeda.
Nusra Front: Also called al-Nusra. The rebel group first formed to fight against Syrian President Bashar Assad, and it's still battling in that country's civil war.
AQAP: Al Qaeda in the Arabian Peninsula. The group, based in Yemen and Saudi Arabia, claimed responsibility for the attack on the Charlie Hebdo magazine headquarters in Paris last January, and it's since been keeping busy in Yemen's continuing conflict.
AQIM: Al Qaeda in the Islamic Maghreb. Operating in the Sahara and Sahel region of Africa, the group traces its origins to the Algerian Civil War in the 1990s, receiving most of its funding from drug smuggling and human trafficking.
Al-Shabab: Al Qaeda's Somali brothers, operating a brutal insurgency against the country's internationally recognized government in Somalia's capital Mogadishu. The group's members are known to target Christians and were responsible for Kenya's mall attack in 2013.
Taken together, these groups have succeeded in terrorizing civilian populations around the world. To know them is not to condone them - but understanding how they work is essential to learning how to end them.