FOB, along with FAS, CFR (C&F), EXW, DDU and many others are called Incoterms. 

Incoterms are standard trade definitions most commonly used in international sales contracts. Devised and published by the International Chamber of Commerce. 

You can see the full list of Incoterms at http://www.iccwbo.org/incoterms/id3040/index.html

Click on each term and it will tell you the defination of the term, and the legal liability of the buyer and seller for that term.